61719190

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{181}}^1$

素因数の和:305

約数の個数: 64

約数和(自身を含む): 125116992

約数和(自身を除く): 63397802

約数列:

[1, 2, 5, 10, 13, 26, 43, 61, 65, 86, 122, 130, 181, 215, 305, 362, 430, 559, 610, 793, 905, 1118, 1586, 1810, 2353, 2623, 2795, 3965, 4706, 5246, 5590, 7783, 7930, 11041, 11765, 13115, 15566, 22082, 23530, 26230, 34099, 38915, 55205, 68198, 77830, 101179, 110410, 143533, 170495, 202358, 287066, 340990, 474763, 505895, 717665, 949526, 1011790, 1435330, 2373815, 4747630, 6171919, 12343838, 30859595, 61719190]

約数ペア:

[(1, 61719190), (2, 30859595), (5, 12343838), (10, 6171919), (13, 4747630), (26, 2373815), (43, 1435330), (61, 1011790), (65, 949526), (86, 717665), (122, 505895), (130, 474763), (181, 340990), (215, 287066), (305, 202358), (362, 170495), (430, 143533), (559, 110410), (610, 101179), (793, 77830), (905, 68198), (1118, 55205), (1586, 38915), (1810, 34099), (2353, 26230), (2623, 23530), (2795, 22082), (3965, 15566), (4706, 13115), (5246, 11765), (5590, 11041), (7783, 7930)]