156947917775

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{659}}^1\times {\mathrm{2399}}^1$

素因数の和:3117

約数の個数: 72

約数和(自身を含む): 224503488000

約数和(自身を除く): 67555570225

約数列:

[1, 5, 11, 19, 25, 55, 95, 209, 275, 361, 475, 659, 1045, 1805, 2399, 3295, 3971, 5225, 7249, 9025, 11995, 12521, 16475, 19855, 26389, 36245, 45581, 59975, 62605, 99275, 131945, 137731, 181225, 227905, 237899, 313025, 501391, 659725, 688655, 866039, 1139525, 1189495, 1580941, 2506955, 2616889, 3443275, 4330195, 5947475, 7904705, 9526429, 12534775, 13084445, 17390351, 21650975, 30037879, 39523525, 47632145, 65422225, 86951755, 150189395, 238160725, 330416669, 434758775, 570719701, 750946975, 1652083345, 2853598505, 6277916711, 8260416725, 14267992525, 31389583555, 156947917775]

約数ペア:

[(1, 156947917775), (5, 31389583555), (11, 14267992525), (19, 8260416725), (25, 6277916711), (55, 2853598505), (95, 1652083345), (209, 750946975), (275, 570719701), (361, 434758775), (475, 330416669), (659, 238160725), (1045, 150189395), (1805, 86951755), (2399, 65422225), (3295, 47632145), (3971, 39523525), (5225, 30037879), (7249, 21650975), (9025, 17390351), (11995, 13084445), (12521, 12534775), (16475, 9526429), (19855, 7904705), (26389, 5947475), (36245, 4330195), (45581, 3443275), (59975, 2616889), (62605, 2506955), (99275, 1580941), (131945, 1189495), (137731, 1139525), (181225, 866039), (227905, 688655), (237899, 659725), (313025, 501391)]