72991084

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{257}}^1$

素因数の和:418

約数の個数: 48

約数和(自身を含む): 140001120

約数和(自身を除く): 67010036

約数列:

[1, 2, 4, 19, 37, 38, 74, 76, 101, 148, 202, 257, 404, 514, 703, 1028, 1406, 1919, 2812, 3737, 3838, 4883, 7474, 7676, 9509, 9766, 14948, 19018, 19532, 25957, 38036, 51914, 71003, 103828, 142006, 180671, 284012, 361342, 493183, 722684, 960409, 986366, 1920818, 1972732, 3841636, 18247771, 36495542, 72991084]

約数ペア:

[(1, 72991084), (2, 36495542), (4, 18247771), (19, 3841636), (37, 1972732), (38, 1920818), (74, 986366), (76, 960409), (101, 722684), (148, 493183), (202, 361342), (257, 284012), (404, 180671), (514, 142006), (703, 103828), (1028, 71003), (1406, 51914), (1919, 38036), (2812, 25957), (3737, 19532), (3838, 19018), (4883, 14948), (7474, 9766), (7676, 9509)]