231389964

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{3557}}^1$

素因数の和:3719

約数の個数: 72

約数和(自身を含む): 634604880

約数和(自身を除く): 403214916

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 139, 156, 234, 278, 417, 468, 556, 834, 1251, 1668, 1807, 2502, 3557, 3614, 5004, 5421, 7114, 7228, 10671, 10842, 14228, 16263, 21342, 21684, 32013, 32526, 42684, 46241, 64026, 65052, 92482, 128052, 138723, 184964, 277446, 416169, 494423, 554892, 832338, 988846, 1483269, 1664676, 1977692, 2966538, 4449807, 5933076, 6427499, 8899614, 12854998, 17799228, 19282497, 25709996, 38564994, 57847491, 77129988, 115694982, 231389964]

約数ペア:

[(1, 231389964), (2, 115694982), (3, 77129988), (4, 57847491), (6, 38564994), (9, 25709996), (12, 19282497), (13, 17799228), (18, 12854998), (26, 8899614), (36, 6427499), (39, 5933076), (52, 4449807), (78, 2966538), (117, 1977692), (139, 1664676), (156, 1483269), (234, 988846), (278, 832338), (417, 554892), (468, 494423), (556, 416169), (834, 277446), (1251, 184964), (1668, 138723), (1807, 128052), (2502, 92482), (3557, 65052), (3614, 64026), (5004, 46241), (5421, 42684), (7114, 32526), (7228, 32013), (10671, 21684), (10842, 21342), (14228, 16263)]