128917888

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:184

約数の個数: 128

約数和(自身を含む): 303552000

約数和(自身を除く): 174634112

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 32, 38, 44, 61, 64, 76, 79, 88, 122, 128, 152, 158, 176, 209, 244, 304, 316, 352, 418, 488, 608, 632, 671, 704, 836, 869, 976, 1159, 1216, 1264, 1342, 1408, 1501, 1672, 1738, 1952, 2318, 2432, 2528, 2684, 3002, 3344, 3476, 3904, 4636, 4819, 5056, 5368, 6004, 6688, 6952, 7808, 9272, 9638, 10112, 10736, 12008, 12749, 13376, 13904, 16511, 18544, 19276, 21472, 24016, 25498, 26752, 27808, 33022, 37088, 38552, 42944, 48032, 50996, 53009, 55616, 66044, 74176, 77104, 85888, 91561, 96064, 101992, 106018, 111232, 132088, 148352, 154208, 183122, 192128, 203984, 212036, 264176, 308416, 366244, 407968, 424072, 528352, 616832, 732488, 815936, 848144, 1007171, 1056704, 1464976, 1631872, 1696288, 2014342, 2113408, 2929952, 3392576, 4028684, 5859904, 6785152, 8057368, 11719808, 16114736, 32229472, 64458944, 128917888]

約数ペア:

[(1, 128917888), (2, 64458944), (4, 32229472), (8, 16114736), (11, 11719808), (16, 8057368), (19, 6785152), (22, 5859904), (32, 4028684), (38, 3392576), (44, 2929952), (61, 2113408), (64, 2014342), (76, 1696288), (79, 1631872), (88, 1464976), (122, 1056704), (128, 1007171), (152, 848144), (158, 815936), (176, 732488), (209, 616832), (244, 528352), (304, 424072), (316, 407968), (352, 366244), (418, 308416), (488, 264176), (608, 212036), (632, 203984), (671, 192128), (704, 183122), (836, 154208), (869, 148352), (976, 132088), (1159, 111232), (1216, 106018), (1264, 101992), (1342, 96064), (1408, 91561), (1501, 85888), (1672, 77104), (1738, 74176), (1952, 66044), (2318, 55616), (2432, 53009), (2528, 50996), (2684, 48032), (3002, 42944), (3344, 38552), (3476, 37088), (3904, 33022), (4636, 27808), (4819, 26752), (5056, 25498), (5368, 24016), (6004, 21472), (6688, 19276), (6952, 18544), (7808, 16511), (9272, 13904), (9638, 13376), (10112, 12749), (10736, 12008)]