217304490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{2887}}^1$

素因数の和:3103

約数の個数: 64

約数和(自身を含む): 564754176

約数和(自身を除く): 347449686

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 193, 195, 386, 390, 579, 965, 1158, 1930, 2509, 2887, 2895, 5018, 5774, 5790, 7527, 8661, 12545, 14435, 15054, 17322, 25090, 28870, 37531, 37635, 43305, 75062, 75270, 86610, 112593, 187655, 225186, 375310, 557191, 562965, 1114382, 1125930, 1671573, 2785955, 3343146, 5571910, 7243483, 8357865, 14486966, 16715730, 21730449, 36217415, 43460898, 72434830, 108652245, 217304490]

約数ペア:

[(1, 217304490), (2, 108652245), (3, 72434830), (5, 43460898), (6, 36217415), (10, 21730449), (13, 16715730), (15, 14486966), (26, 8357865), (30, 7243483), (39, 5571910), (65, 3343146), (78, 2785955), (130, 1671573), (193, 1125930), (195, 1114382), (386, 562965), (390, 557191), (579, 375310), (965, 225186), (1158, 187655), (1930, 112593), (2509, 86610), (2887, 75270), (2895, 75062), (5018, 43305), (5774, 37635), (5790, 37531), (7527, 28870), (8661, 25090), (12545, 17322), (14435, 15054)]