145678212

素因数分解:

$2^2\times 3^2\times {\mathrm{79}}^1\times {\mathrm{181}}^1\times {\mathrm{283}}^1$

素因数の和:553

約数の個数: 72

約数和(自身を含む): 376288640

約数和(自身を除く): 230610428

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 79, 158, 181, 237, 283, 316, 362, 474, 543, 566, 711, 724, 849, 948, 1086, 1132, 1422, 1629, 1698, 2172, 2547, 2844, 3258, 3396, 5094, 6516, 10188, 14299, 22357, 28598, 42897, 44714, 51223, 57196, 67071, 85794, 89428, 102446, 128691, 134142, 153669, 171588, 201213, 204892, 257382, 268284, 307338, 402426, 461007, 514764, 614676, 804852, 922014, 1844028, 4046617, 8093234, 12139851, 16186468, 24279702, 36419553, 48559404, 72839106, 145678212]

約数ペア:

[(1, 145678212), (2, 72839106), (3, 48559404), (4, 36419553), (6, 24279702), (9, 16186468), (12, 12139851), (18, 8093234), (36, 4046617), (79, 1844028), (158, 922014), (181, 804852), (237, 614676), (283, 514764), (316, 461007), (362, 402426), (474, 307338), (543, 268284), (566, 257382), (711, 204892), (724, 201213), (849, 171588), (948, 153669), (1086, 134142), (1132, 128691), (1422, 102446), (1629, 89428), (1698, 85794), (2172, 67071), (2547, 57196), (2844, 51223), (3258, 44714), (3396, 42897), (5094, 28598), (6516, 22357), (10188, 14299)]