40947218

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{503}}^1$

素因数の和:650

約数の個数: 32

約数和(自身を含む): 69092352

約数和(自身を除く): 28145134

約数列:

[1, 2, 13, 26, 31, 62, 101, 202, 403, 503, 806, 1006, 1313, 2626, 3131, 6262, 6539, 13078, 15593, 31186, 40703, 50803, 81406, 101606, 202709, 405418, 660439, 1320878, 1574893, 3149786, 20473609, 40947218]

約数ペア:

[(1, 40947218), (2, 20473609), (13, 3149786), (26, 1574893), (31, 1320878), (62, 660439), (101, 405418), (202, 202709), (403, 101606), (503, 81406), (806, 50803), (1006, 40703), (1313, 31186), (2626, 15593), (3131, 13078), (6262, 6539)]