128606972

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1$

素因数の和:116

約数の個数: 108

約数和(自身を含む): 281123136

約数和(自身を除く): 152516164

約数列:

[1, 2, 4, 13, 17, 19, 26, 31, 34, 38, 52, 62, 68, 76, 124, 169, 221, 247, 323, 338, 361, 403, 442, 494, 527, 589, 646, 676, 722, 806, 884, 988, 1054, 1178, 1292, 1444, 1612, 2108, 2356, 2873, 3211, 4199, 4693, 5239, 5746, 6137, 6422, 6851, 7657, 8398, 9386, 10013, 10478, 11191, 11492, 12274, 12844, 13702, 15314, 16796, 18772, 20026, 20956, 22382, 24548, 27404, 30628, 40052, 44764, 54587, 61009, 79781, 89063, 99541, 109174, 122018, 130169, 145483, 159562, 178126, 190247, 199082, 218348, 244036, 260338, 290966, 319124, 356252, 380494, 398164, 520676, 581932, 760988, 1037153, 1692197, 1891279, 2074306, 2473211, 3384394, 3782558, 4148612, 4946422, 6768788, 7565116, 9892844, 32151743, 64303486, 128606972]

約数ペア:

[(1, 128606972), (2, 64303486), (4, 32151743), (13, 9892844), (17, 7565116), (19, 6768788), (26, 4946422), (31, 4148612), (34, 3782558), (38, 3384394), (52, 2473211), (62, 2074306), (68, 1891279), (76, 1692197), (124, 1037153), (169, 760988), (221, 581932), (247, 520676), (323, 398164), (338, 380494), (361, 356252), (403, 319124), (442, 290966), (494, 260338), (527, 244036), (589, 218348), (646, 199082), (676, 190247), (722, 178126), (806, 159562), (884, 145483), (988, 130169), (1054, 122018), (1178, 109174), (1292, 99541), (1444, 89063), (1612, 79781), (2108, 61009), (2356, 54587), (2873, 44764), (3211, 40052), (4199, 30628), (4693, 27404), (5239, 24548), (5746, 22382), (6137, 20956), (6422, 20026), (6851, 18772), (7657, 16796), (8398, 15314), (9386, 13702), (10013, 12844), (10478, 12274), (11191, 11492)]