28556944

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{59}}^1\times {\mathrm{179}}^1$

素因数の和:272

約数の個数: 60

約数和(自身を含む): 61268400

約数和(自身を除く): 32711456

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 59, 104, 118, 169, 179, 208, 236, 338, 358, 472, 676, 716, 767, 944, 1352, 1432, 1534, 2327, 2704, 2864, 3068, 4654, 6136, 9308, 9971, 10561, 12272, 18616, 19942, 21122, 30251, 37232, 39884, 42244, 60502, 79768, 84488, 121004, 137293, 159536, 168976, 242008, 274586, 484016, 549172, 1098344, 1784809, 2196688, 3569618, 7139236, 14278472, 28556944]

約数ペア:

[(1, 28556944), (2, 14278472), (4, 7139236), (8, 3569618), (13, 2196688), (16, 1784809), (26, 1098344), (52, 549172), (59, 484016), (104, 274586), (118, 242008), (169, 168976), (179, 159536), (208, 137293), (236, 121004), (338, 84488), (358, 79768), (472, 60502), (676, 42244), (716, 39884), (767, 37232), (944, 30251), (1352, 21122), (1432, 19942), (1534, 18616), (2327, 12272), (2704, 10561), (2864, 9971), (3068, 9308), (4654, 6136)]