215866868

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{4243}}^1$

素因数の和:4356

約数の個数: 48

約数和(自身を含む): 456314880

約数和(自身を除く): 240448012

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 79, 92, 158, 161, 316, 322, 553, 644, 1106, 1817, 2212, 3634, 4243, 7268, 8486, 12719, 16972, 25438, 29701, 50876, 59402, 97589, 118804, 195178, 335197, 390356, 670394, 683123, 1340788, 1366246, 2346379, 2732492, 4692758, 7709531, 9385516, 15419062, 30838124, 53966717, 107933434, 215866868]

約数ペア:

[(1, 215866868), (2, 107933434), (4, 53966717), (7, 30838124), (14, 15419062), (23, 9385516), (28, 7709531), (46, 4692758), (79, 2732492), (92, 2346379), (158, 1366246), (161, 1340788), (316, 683123), (322, 670394), (553, 390356), (644, 335197), (1106, 195178), (1817, 118804), (2212, 97589), (3634, 59402), (4243, 50876), (7268, 29701), (8486, 25438), (12719, 16972)]