39970346

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{491}}^1$

素因数の和:638

約数の個数: 32

約数和(自身を含む): 67447296

約数和(自身を除く): 27476950

約数列:

[1, 2, 13, 26, 31, 62, 101, 202, 403, 491, 806, 982, 1313, 2626, 3131, 6262, 6383, 12766, 15221, 30442, 40703, 49591, 81406, 99182, 197873, 395746, 644683, 1289366, 1537321, 3074642, 19985173, 39970346]

約数ペア:

[(1, 39970346), (2, 19985173), (13, 3074642), (26, 1537321), (31, 1289366), (62, 644683), (101, 395746), (202, 197873), (403, 99182), (491, 81406), (806, 49591), (982, 40703), (1313, 30442), (2626, 15221), (3131, 12766), (6262, 6383)]