128472832

素因数分解:

$2^8\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{433}}^1$

素因数の和:529

約数の個数: 72

約数和(自身を含む): 274999760

約数和(自身を除く): 146526928

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 61, 64, 76, 122, 128, 152, 244, 256, 304, 433, 488, 608, 866, 976, 1159, 1216, 1732, 1952, 2318, 2432, 3464, 3904, 4636, 4864, 6928, 7808, 8227, 9272, 13856, 15616, 16454, 18544, 26413, 27712, 32908, 37088, 52826, 55424, 65816, 74176, 105652, 110848, 131632, 148352, 211304, 263264, 296704, 422608, 501847, 526528, 845216, 1003694, 1053056, 1690432, 2007388, 2106112, 3380864, 4014776, 6761728, 8029552, 16059104, 32118208, 64236416, 128472832]

約数ペア:

[(1, 128472832), (2, 64236416), (4, 32118208), (8, 16059104), (16, 8029552), (19, 6761728), (32, 4014776), (38, 3380864), (61, 2106112), (64, 2007388), (76, 1690432), (122, 1053056), (128, 1003694), (152, 845216), (244, 526528), (256, 501847), (304, 422608), (433, 296704), (488, 263264), (608, 211304), (866, 148352), (976, 131632), (1159, 110848), (1216, 105652), (1732, 74176), (1952, 65816), (2318, 55424), (2432, 52826), (3464, 37088), (3904, 32908), (4636, 27712), (4864, 26413), (6928, 18544), (7808, 16454), (8227, 15616), (9272, 13856)]