61991180

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{4447}}^1$

素因数の和:4514

約数の個数: 48

約数和(自身を含む): 141232896

約数和(自身を除く): 79241716

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 41, 68, 82, 85, 164, 170, 205, 340, 410, 697, 820, 1394, 2788, 3485, 4447, 6970, 8894, 13940, 17788, 22235, 44470, 75599, 88940, 151198, 182327, 302396, 364654, 377995, 729308, 755990, 911635, 1511980, 1823270, 3099559, 3646540, 6199118, 12398236, 15497795, 30995590, 61991180]

約数ペア:

[(1, 61991180), (2, 30995590), (4, 15497795), (5, 12398236), (10, 6199118), (17, 3646540), (20, 3099559), (34, 1823270), (41, 1511980), (68, 911635), (82, 755990), (85, 729308), (164, 377995), (170, 364654), (205, 302396), (340, 182327), (410, 151198), (697, 88940), (820, 75599), (1394, 44470), (2788, 22235), (3485, 17788), (4447, 13940), (6970, 8894)]