31976438

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{409}}^1$

素因数の和:552

約数の個数: 32

約数和(自身を含む): 54001920

約数和(自身を除く): 22025482

約数列:

[1, 2, 13, 26, 31, 62, 97, 194, 403, 409, 806, 818, 1261, 2522, 3007, 5317, 6014, 10634, 12679, 25358, 39091, 39673, 78182, 79346, 164827, 329654, 515749, 1031498, 1229863, 2459726, 15988219, 31976438]

約数ペア:

[(1, 31976438), (2, 15988219), (13, 2459726), (26, 1229863), (31, 1031498), (62, 515749), (97, 329654), (194, 164827), (403, 79346), (409, 78182), (806, 39673), (818, 39091), (1261, 25358), (2522, 12679), (3007, 10634), (5317, 6014)]