1971345584

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{41387}}^1$

素因数の和:41637

約数の個数: 40

約数和(自身を含む): 4131350160

約数和(自身を除く): 2160004576

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 229, 458, 916, 1832, 2977, 3664, 5954, 11908, 23816, 41387, 47632, 82774, 165548, 331096, 538031, 662192, 1076062, 2152124, 4304248, 8608496, 9477623, 18955246, 37910492, 75820984, 123209099, 151641968, 246418198, 492836396, 985672792, 1971345584]

約数ペア:

[(1, 1971345584), (2, 985672792), (4, 492836396), (8, 246418198), (13, 151641968), (16, 123209099), (26, 75820984), (52, 37910492), (104, 18955246), (208, 9477623), (229, 8608496), (458, 4304248), (916, 2152124), (1832, 1076062), (2977, 662192), (3664, 538031), (5954, 331096), (11908, 165548), (23816, 82774), (41387, 47632)]