291220832

素因数分解:

$2^5\times 7^1\times {\mathrm{61}}^1\times {\mathrm{21313}}^1$

素因数の和:21391

約数の個数: 48

約数和(自身を含む): 666019872

約数和(自身を除く): 374799040

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 61, 112, 122, 224, 244, 427, 488, 854, 976, 1708, 1952, 3416, 6832, 13664, 21313, 42626, 85252, 149191, 170504, 298382, 341008, 596764, 682016, 1193528, 1300093, 2387056, 2600186, 4774112, 5200372, 9100651, 10400744, 18201302, 20801488, 36402604, 41602976, 72805208, 145610416, 291220832]

約数ペア:

[(1, 291220832), (2, 145610416), (4, 72805208), (7, 41602976), (8, 36402604), (14, 20801488), (16, 18201302), (28, 10400744), (32, 9100651), (56, 5200372), (61, 4774112), (112, 2600186), (122, 2387056), (224, 1300093), (244, 1193528), (427, 682016), (488, 596764), (854, 341008), (976, 298382), (1708, 170504), (1952, 149191), (3416, 85252), (6832, 42626), (13664, 21313)]