131245312

素因数分解:

$2^8\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{223}}^1$

素因数の和:280

約数の個数: 108

約数和(自身を含む): 304474240

約数和(自身を除く): 173228928

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 32, 38, 44, 64, 76, 88, 121, 128, 152, 176, 209, 223, 242, 256, 304, 352, 418, 446, 484, 608, 704, 836, 892, 968, 1216, 1408, 1672, 1784, 1936, 2299, 2432, 2453, 2816, 3344, 3568, 3872, 4237, 4598, 4864, 4906, 6688, 7136, 7744, 8474, 9196, 9812, 13376, 14272, 15488, 16948, 18392, 19624, 26752, 26983, 28544, 30976, 33896, 36784, 39248, 46607, 53504, 53966, 57088, 67792, 73568, 78496, 93214, 107932, 135584, 147136, 156992, 186428, 215864, 271168, 294272, 313984, 372856, 431728, 512677, 542336, 588544, 627968, 745712, 863456, 1025354, 1084672, 1491424, 1726912, 2050708, 2982848, 3453824, 4101416, 5965696, 6907648, 8202832, 11931392, 16405664, 32811328, 65622656, 131245312]

約数ペア:

[(1, 131245312), (2, 65622656), (4, 32811328), (8, 16405664), (11, 11931392), (16, 8202832), (19, 6907648), (22, 5965696), (32, 4101416), (38, 3453824), (44, 2982848), (64, 2050708), (76, 1726912), (88, 1491424), (121, 1084672), (128, 1025354), (152, 863456), (176, 745712), (209, 627968), (223, 588544), (242, 542336), (256, 512677), (304, 431728), (352, 372856), (418, 313984), (446, 294272), (484, 271168), (608, 215864), (704, 186428), (836, 156992), (892, 147136), (968, 135584), (1216, 107932), (1408, 93214), (1672, 78496), (1784, 73568), (1936, 67792), (2299, 57088), (2432, 53966), (2453, 53504), (2816, 46607), (3344, 39248), (3568, 36784), (3872, 33896), (4237, 30976), (4598, 28544), (4864, 26983), (4906, 26752), (6688, 19624), (7136, 18392), (7744, 16948), (8474, 15488), (9196, 14272), (9812, 13376)]