640286760958

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{269}}^1\times {\mathrm{1500787}}^1$

素因数の和:1501132

約数の個数: 32

約数和(自身を含む): 1055174027040

約数和(自身を除く): 414887266082

約数列:

[1, 2, 13, 26, 61, 122, 269, 538, 793, 1586, 3497, 6994, 16409, 32818, 213317, 426634, 1500787, 3001574, 19510231, 39020462, 91548007, 183096014, 403711703, 807423406, 1190124091, 2380248182, 5248252139, 10496504278, 24626413883, 49252827766, 320143380479, 640286760958]

約数ペア:

[(1, 640286760958), (2, 320143380479), (13, 49252827766), (26, 24626413883), (61, 10496504278), (122, 5248252139), (269, 2380248182), (538, 1190124091), (793, 807423406), (1586, 403711703), (3497, 183096014), (6994, 91548007), (16409, 39020462), (32818, 19510231), (213317, 3001574), (426634, 1500787)]