1990457976

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{95219}}^1$

素因数の和:95308

約数の個数: 64

約数和(自身を含む): 5438966400

約数和(自身を除く): 3448508424

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 67, 78, 104, 134, 156, 201, 268, 312, 402, 536, 804, 871, 1608, 1742, 2613, 3484, 5226, 6968, 10452, 20904, 95219, 190438, 285657, 380876, 571314, 761752, 1142628, 1237847, 2285256, 2475694, 3713541, 4951388, 6379673, 7427082, 9902776, 12759346, 14854164, 19139019, 25518692, 29708328, 38278038, 51037384, 76556076, 82935749, 153112152, 165871498, 248807247, 331742996, 497614494, 663485992, 995228988, 1990457976]

約数ペア:

[(1, 1990457976), (2, 995228988), (3, 663485992), (4, 497614494), (6, 331742996), (8, 248807247), (12, 165871498), (13, 153112152), (24, 82935749), (26, 76556076), (39, 51037384), (52, 38278038), (67, 29708328), (78, 25518692), (104, 19139019), (134, 14854164), (156, 12759346), (201, 9902776), (268, 7427082), (312, 6379673), (402, 4951388), (536, 3713541), (804, 2475694), (871, 2285256), (1608, 1237847), (1742, 1142628), (2613, 761752), (3484, 571314), (5226, 380876), (6968, 285657), (10452, 190438), (20904, 95219)]