28411572

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{211}}^1\times {\mathrm{229}}^1$

素因数の和:461

約数の個数: 72

約数和(自身を含む): 77820960

約数和(自身を除く): 49409388

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 211, 229, 294, 422, 458, 588, 633, 687, 844, 916, 1266, 1374, 1477, 1603, 2532, 2748, 2954, 3206, 4431, 4809, 5908, 6412, 8862, 9618, 10339, 11221, 17724, 19236, 20678, 22442, 31017, 33663, 41356, 44884, 48319, 62034, 67326, 96638, 124068, 134652, 144957, 193276, 289914, 338233, 579828, 676466, 1014699, 1352932, 2029398, 2367631, 4058796, 4735262, 7102893, 9470524, 14205786, 28411572]

約数ペア:

[(1, 28411572), (2, 14205786), (3, 9470524), (4, 7102893), (6, 4735262), (7, 4058796), (12, 2367631), (14, 2029398), (21, 1352932), (28, 1014699), (42, 676466), (49, 579828), (84, 338233), (98, 289914), (147, 193276), (196, 144957), (211, 134652), (229, 124068), (294, 96638), (422, 67326), (458, 62034), (588, 48319), (633, 44884), (687, 41356), (844, 33663), (916, 31017), (1266, 22442), (1374, 20678), (1477, 19236), (1603, 17724), (2532, 11221), (2748, 10339), (2954, 9618), (3206, 8862), (4431, 6412), (4809, 5908)]