215430228

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{569}}^1\times {\mathrm{809}}^1$

素因数の和:1401

約数の個数: 72

約数和(自身を含む): 588205800

約数和(自身を除く): 372775572

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 569, 809, 1138, 1618, 1707, 2276, 2427, 3236, 3414, 4854, 5121, 6828, 7281, 7397, 9708, 10242, 10517, 14562, 14794, 20484, 21034, 22191, 29124, 29588, 31551, 42068, 44382, 63102, 66573, 88764, 94653, 126204, 133146, 189306, 266292, 378612, 460321, 920642, 1380963, 1841284, 2761926, 4142889, 5523852, 5984173, 8285778, 11968346, 16571556, 17952519, 23936692, 35905038, 53857557, 71810076, 107715114, 215430228]

約数ペア:

[(1, 215430228), (2, 107715114), (3, 71810076), (4, 53857557), (6, 35905038), (9, 23936692), (12, 17952519), (13, 16571556), (18, 11968346), (26, 8285778), (36, 5984173), (39, 5523852), (52, 4142889), (78, 2761926), (117, 1841284), (156, 1380963), (234, 920642), (468, 460321), (569, 378612), (809, 266292), (1138, 189306), (1618, 133146), (1707, 126204), (2276, 94653), (2427, 88764), (3236, 66573), (3414, 63102), (4854, 44382), (5121, 42068), (6828, 31551), (7281, 29588), (7397, 29124), (9708, 22191), (10242, 21034), (10517, 20484), (14562, 14794)]