28045836

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1223}}^1$

素因数の和:1260

約数の個数: 108

約数和(自身を含む): 88884432

約数和(自身を除く): 60838596

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 49, 52, 63, 78, 84, 91, 98, 117, 126, 147, 156, 182, 196, 234, 252, 273, 294, 364, 441, 468, 546, 588, 637, 819, 882, 1092, 1223, 1274, 1638, 1764, 1911, 2446, 2548, 3276, 3669, 3822, 4892, 5733, 7338, 7644, 8561, 11007, 11466, 14676, 15899, 17122, 22014, 22932, 25683, 31798, 34244, 44028, 47697, 51366, 59927, 63596, 77049, 95394, 102732, 111293, 119854, 143091, 154098, 179781, 190788, 222586, 239708, 286182, 308196, 333879, 359562, 445172, 539343, 572364, 667758, 719124, 779051, 1001637, 1078686, 1335516, 1558102, 2003274, 2157372, 2337153, 3116204, 4006548, 4674306, 7011459, 9348612, 14022918, 28045836]

約数ペア:

[(1, 28045836), (2, 14022918), (3, 9348612), (4, 7011459), (6, 4674306), (7, 4006548), (9, 3116204), (12, 2337153), (13, 2157372), (14, 2003274), (18, 1558102), (21, 1335516), (26, 1078686), (28, 1001637), (36, 779051), (39, 719124), (42, 667758), (49, 572364), (52, 539343), (63, 445172), (78, 359562), (84, 333879), (91, 308196), (98, 286182), (117, 239708), (126, 222586), (147, 190788), (156, 179781), (182, 154098), (196, 143091), (234, 119854), (252, 111293), (273, 102732), (294, 95394), (364, 77049), (441, 63596), (468, 59927), (546, 51366), (588, 47697), (637, 44028), (819, 34244), (882, 31798), (1092, 25683), (1223, 22932), (1274, 22014), (1638, 17122), (1764, 15899), (1911, 14676), (2446, 11466), (2548, 11007), (3276, 8561), (3669, 7644), (3822, 7338), (4892, 5733)]