291947274

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{137}}^1$

素因数の和:265

約数の個数: 128

約数和(自身を含む): 720691200

約数和(自身を除く): 428743926

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 31, 38, 54, 57, 62, 67, 93, 114, 134, 137, 171, 186, 201, 274, 279, 342, 402, 411, 513, 558, 589, 603, 822, 837, 1026, 1178, 1206, 1233, 1273, 1674, 1767, 1809, 2077, 2466, 2546, 2603, 3534, 3618, 3699, 3819, 4154, 4247, 5206, 5301, 6231, 7398, 7638, 7809, 8494, 9179, 10602, 11457, 12462, 12741, 15618, 15903, 18358, 18693, 22914, 23427, 25482, 27537, 31806, 34371, 37386, 38223, 39463, 46854, 55074, 56079, 68742, 70281, 76446, 78926, 80693, 82611, 112158, 114669, 118389, 140562, 161386, 165222, 174401, 229338, 236778, 242079, 247833, 284549, 348802, 355167, 484158, 495666, 523203, 569098, 710334, 726237, 853647, 1046406, 1065501, 1452474, 1569609, 1707294, 2131002, 2178711, 2560941, 3139218, 4357422, 4708827, 5121882, 5406431, 7682823, 9417654, 10812862, 15365646, 16219293, 32438586, 48657879, 97315758, 145973637, 291947274]

約数ペア:

[(1, 291947274), (2, 145973637), (3, 97315758), (6, 48657879), (9, 32438586), (18, 16219293), (19, 15365646), (27, 10812862), (31, 9417654), (38, 7682823), (54, 5406431), (57, 5121882), (62, 4708827), (67, 4357422), (93, 3139218), (114, 2560941), (134, 2178711), (137, 2131002), (171, 1707294), (186, 1569609), (201, 1452474), (274, 1065501), (279, 1046406), (342, 853647), (402, 726237), (411, 710334), (513, 569098), (558, 523203), (589, 495666), (603, 484158), (822, 355167), (837, 348802), (1026, 284549), (1178, 247833), (1206, 242079), (1233, 236778), (1273, 229338), (1674, 174401), (1767, 165222), (1809, 161386), (2077, 140562), (2466, 118389), (2546, 114669), (2603, 112158), (3534, 82611), (3618, 80693), (3699, 78926), (3819, 76446), (4154, 70281), (4247, 68742), (5206, 56079), (5301, 55074), (6231, 46854), (7398, 39463), (7638, 38223), (7809, 37386), (8494, 34371), (9179, 31806), (10602, 27537), (11457, 25482), (12462, 23427), (12741, 22914), (15618, 18693), (15903, 18358)]