2644908

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^2$

素因数の和:111

約数の個数: 72

約数和(自身を含む): 7564032

約数和(自身を除く): 4919124

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 23, 28, 37, 42, 46, 69, 74, 84, 92, 111, 138, 148, 161, 222, 259, 276, 322, 444, 483, 518, 644, 777, 851, 966, 1036, 1369, 1554, 1702, 1932, 2553, 2738, 3108, 3404, 4107, 5106, 5476, 5957, 8214, 9583, 10212, 11914, 16428, 17871, 19166, 23828, 28749, 31487, 35742, 38332, 57498, 62974, 71484, 94461, 114996, 125948, 188922, 220409, 377844, 440818, 661227, 881636, 1322454, 2644908]

約数ペア:

[(1, 2644908), (2, 1322454), (3, 881636), (4, 661227), (6, 440818), (7, 377844), (12, 220409), (14, 188922), (21, 125948), (23, 114996), (28, 94461), (37, 71484), (42, 62974), (46, 57498), (69, 38332), (74, 35742), (84, 31487), (92, 28749), (111, 23828), (138, 19166), (148, 17871), (161, 16428), (222, 11914), (259, 10212), (276, 9583), (322, 8214), (444, 5957), (483, 5476), (518, 5106), (644, 4107), (777, 3404), (851, 3108), (966, 2738), (1036, 2553), (1369, 1932), (1554, 1702)]