42688972

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{47}}^1$

素因数の和:143

約数の個数: 72

約数和(自身を含む): 87562944

約数和(自身を除く): 44873972

約数列:

[1, 2, 4, 17, 19, 34, 37, 38, 47, 68, 74, 76, 94, 148, 188, 323, 361, 629, 646, 703, 722, 799, 893, 1258, 1292, 1406, 1444, 1598, 1739, 1786, 2516, 2812, 3196, 3478, 3572, 6137, 6956, 11951, 12274, 13357, 15181, 16967, 23902, 24548, 26714, 29563, 30362, 33041, 33934, 47804, 53428, 59126, 60724, 66082, 67868, 118252, 132164, 227069, 288439, 454138, 561697, 576878, 627779, 908276, 1123394, 1153756, 1255558, 2246788, 2511116, 10672243, 21344486, 42688972]

約数ペア:

[(1, 42688972), (2, 21344486), (4, 10672243), (17, 2511116), (19, 2246788), (34, 1255558), (37, 1153756), (38, 1123394), (47, 908276), (68, 627779), (74, 576878), (76, 561697), (94, 454138), (148, 288439), (188, 227069), (323, 132164), (361, 118252), (629, 67868), (646, 66082), (703, 60724), (722, 59126), (799, 53428), (893, 47804), (1258, 33934), (1292, 33041), (1406, 30362), (1444, 29563), (1598, 26714), (1739, 24548), (1786, 23902), (2516, 16967), (2812, 15181), (3196, 13357), (3478, 12274), (3572, 11951), (6137, 6956)]