402458368

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1$

素因数の和:190

約数の個数: 144

約数和(自身を含む): 923037696

約数和(自身を除く): 520579328

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 47, 52, 62, 64, 83, 94, 104, 124, 128, 166, 188, 208, 248, 256, 332, 376, 403, 416, 496, 611, 664, 752, 806, 832, 992, 1079, 1222, 1328, 1457, 1504, 1612, 1664, 1984, 2158, 2444, 2573, 2656, 2914, 3008, 3224, 3328, 3901, 3968, 4316, 4888, 5146, 5312, 5828, 6016, 6448, 7802, 7936, 8632, 9776, 10292, 10624, 11656, 12032, 12896, 15604, 17264, 18941, 19552, 20584, 21248, 23312, 25792, 31208, 33449, 34528, 37882, 39104, 41168, 46624, 50713, 51584, 62416, 66898, 69056, 75764, 78208, 82336, 93248, 101426, 103168, 120931, 124832, 133796, 138112, 151528, 156416, 164672, 186496, 202852, 241862, 249664, 267592, 276224, 303056, 329344, 372992, 405704, 483724, 499328, 535184, 606112, 658688, 811408, 967448, 998656, 1070368, 1212224, 1572103, 1622816, 1934896, 2140736, 2424448, 3144206, 3245632, 3869792, 4281472, 4848896, 6288412, 6491264, 7739584, 8562944, 12576824, 12982528, 15479168, 25153648, 30958336, 50307296, 100614592, 201229184, 402458368]

約数ペア:

[(1, 402458368), (2, 201229184), (4, 100614592), (8, 50307296), (13, 30958336), (16, 25153648), (26, 15479168), (31, 12982528), (32, 12576824), (47, 8562944), (52, 7739584), (62, 6491264), (64, 6288412), (83, 4848896), (94, 4281472), (104, 3869792), (124, 3245632), (128, 3144206), (166, 2424448), (188, 2140736), (208, 1934896), (248, 1622816), (256, 1572103), (332, 1212224), (376, 1070368), (403, 998656), (416, 967448), (496, 811408), (611, 658688), (664, 606112), (752, 535184), (806, 499328), (832, 483724), (992, 405704), (1079, 372992), (1222, 329344), (1328, 303056), (1457, 276224), (1504, 267592), (1612, 249664), (1664, 241862), (1984, 202852), (2158, 186496), (2444, 164672), (2573, 156416), (2656, 151528), (2914, 138112), (3008, 133796), (3224, 124832), (3328, 120931), (3901, 103168), (3968, 101426), (4316, 93248), (4888, 82336), (5146, 78208), (5312, 75764), (5828, 69056), (6016, 66898), (6448, 62416), (7802, 51584), (7936, 50713), (8632, 46624), (9776, 41168), (10292, 39104), (10624, 37882), (11656, 34528), (12032, 33449), (12896, 31208), (15604, 25792), (17264, 23312), (18941, 21248), (19552, 20584)]