31252496

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:192

約数の個数: 80

約数和(自身を含む): 69745536

約数和(自身を除く): 38493040

約数列:

[1, 2, 4, 8, 11, 16, 22, 41, 44, 61, 71, 82, 88, 122, 142, 164, 176, 244, 284, 328, 451, 488, 568, 656, 671, 781, 902, 976, 1136, 1342, 1562, 1804, 2501, 2684, 2911, 3124, 3608, 4331, 5002, 5368, 5822, 6248, 7216, 8662, 10004, 10736, 11644, 12496, 17324, 20008, 23288, 27511, 32021, 34648, 40016, 46576, 47641, 55022, 64042, 69296, 95282, 110044, 128084, 177571, 190564, 220088, 256168, 355142, 381128, 440176, 512336, 710284, 762256, 1420568, 1953281, 2841136, 3906562, 7813124, 15626248, 31252496]

約数ペア:

[(1, 31252496), (2, 15626248), (4, 7813124), (8, 3906562), (11, 2841136), (16, 1953281), (22, 1420568), (41, 762256), (44, 710284), (61, 512336), (71, 440176), (82, 381128), (88, 355142), (122, 256168), (142, 220088), (164, 190564), (176, 177571), (244, 128084), (284, 110044), (328, 95282), (451, 69296), (488, 64042), (568, 55022), (656, 47641), (671, 46576), (781, 40016), (902, 34648), (976, 32021), (1136, 27511), (1342, 23288), (1562, 20008), (1804, 17324), (2501, 12496), (2684, 11644), (2911, 10736), (3124, 10004), (3608, 8662), (4331, 7216), (5002, 6248), (5368, 5822)]