291237738

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{271}}^1\times {\mathrm{857}}^1$

素因数の和:1163

約数の個数: 64

約数和(自身を含む): 672122880

約数和(自身を除く): 380885142

約数列:

[1, 2, 3, 6, 11, 19, 22, 33, 38, 57, 66, 114, 209, 271, 418, 542, 627, 813, 857, 1254, 1626, 1714, 2571, 2981, 5142, 5149, 5962, 8943, 9427, 10298, 15447, 16283, 17886, 18854, 28281, 30894, 32566, 48849, 56562, 56639, 97698, 113278, 169917, 179113, 232247, 339834, 358226, 464494, 537339, 696741, 1074678, 1393482, 2554717, 4412693, 5109434, 7664151, 8825386, 13238079, 15328302, 26476158, 48539623, 97079246, 145618869, 291237738]

約数ペア:

[(1, 291237738), (2, 145618869), (3, 97079246), (6, 48539623), (11, 26476158), (19, 15328302), (22, 13238079), (33, 8825386), (38, 7664151), (57, 5109434), (66, 4412693), (114, 2554717), (209, 1393482), (271, 1074678), (418, 696741), (542, 537339), (627, 464494), (813, 358226), (857, 339834), (1254, 232247), (1626, 179113), (1714, 169917), (2571, 113278), (2981, 97698), (5142, 56639), (5149, 56562), (5962, 48849), (8943, 32566), (9427, 30894), (10298, 28281), (15447, 18854), (16283, 17886)]