138947456

素因数分解:

$2^7\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{97}}^1$

素因数の和:180

約数の個数: 96

約数和(自身を含む): 304678080

約数和(自身を除く): 165730624

約数列:

[1, 2, 4, 8, 16, 19, 31, 32, 38, 62, 64, 76, 97, 124, 128, 152, 194, 248, 304, 361, 388, 496, 589, 608, 722, 776, 992, 1178, 1216, 1444, 1552, 1843, 1984, 2356, 2432, 2888, 3007, 3104, 3686, 3968, 4712, 5776, 6014, 6208, 7372, 9424, 11191, 11552, 12028, 12416, 14744, 18848, 22382, 23104, 24056, 29488, 35017, 37696, 44764, 46208, 48112, 57133, 58976, 70034, 75392, 89528, 96224, 114266, 117952, 140068, 179056, 192448, 228532, 235904, 280136, 358112, 384896, 457064, 560272, 716224, 914128, 1085527, 1120544, 1432448, 1828256, 2171054, 2241088, 3656512, 4342108, 4482176, 7313024, 8684216, 17368432, 34736864, 69473728, 138947456]

約数ペア:

[(1, 138947456), (2, 69473728), (4, 34736864), (8, 17368432), (16, 8684216), (19, 7313024), (31, 4482176), (32, 4342108), (38, 3656512), (62, 2241088), (64, 2171054), (76, 1828256), (97, 1432448), (124, 1120544), (128, 1085527), (152, 914128), (194, 716224), (248, 560272), (304, 457064), (361, 384896), (388, 358112), (496, 280136), (589, 235904), (608, 228532), (722, 192448), (776, 179056), (992, 140068), (1178, 117952), (1216, 114266), (1444, 96224), (1552, 89528), (1843, 75392), (1984, 70034), (2356, 58976), (2432, 57133), (2888, 48112), (3007, 46208), (3104, 44764), (3686, 37696), (3968, 35017), (4712, 29488), (5776, 24056), (6014, 23104), (6208, 22382), (7372, 18848), (9424, 14744), (11191, 12416), (11552, 12028)]