61281948

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{8017}}^1$

素因数の和:8051

約数の個数: 72

約数和(自身を含む): 179154192

約数和(自身を除く): 117872244

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 49, 52, 78, 84, 91, 98, 147, 156, 182, 196, 273, 294, 364, 546, 588, 637, 1092, 1274, 1911, 2548, 3822, 7644, 8017, 16034, 24051, 32068, 48102, 56119, 96204, 104221, 112238, 168357, 208442, 224476, 312663, 336714, 392833, 416884, 625326, 673428, 729547, 785666, 1178499, 1250652, 1459094, 1571332, 2188641, 2356998, 2918188, 4377282, 4713996, 5106829, 8754564, 10213658, 15320487, 20427316, 30640974, 61281948]

約数ペア:

[(1, 61281948), (2, 30640974), (3, 20427316), (4, 15320487), (6, 10213658), (7, 8754564), (12, 5106829), (13, 4713996), (14, 4377282), (21, 2918188), (26, 2356998), (28, 2188641), (39, 1571332), (42, 1459094), (49, 1250652), (52, 1178499), (78, 785666), (84, 729547), (91, 673428), (98, 625326), (147, 416884), (156, 392833), (182, 336714), (196, 312663), (273, 224476), (294, 208442), (364, 168357), (546, 112238), (588, 104221), (637, 96204), (1092, 56119), (1274, 48102), (1911, 32068), (2548, 24051), (3822, 16034), (7644, 8017)]