639145962

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{390199}}^1$

素因数の和:390227

約数の個数: 48

約数和(自身を含む): 1704393600

約数和(自身を除く): 1065247638

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 42, 63, 78, 91, 117, 126, 182, 234, 273, 546, 819, 1638, 390199, 780398, 1170597, 2341194, 2731393, 3511791, 5072587, 5462786, 7023582, 8194179, 10145174, 15217761, 16388358, 24582537, 30435522, 35508109, 45653283, 49165074, 71016218, 91306566, 106524327, 213048654, 319572981, 639145962]

約数ペア:

[(1, 639145962), (2, 319572981), (3, 213048654), (6, 106524327), (7, 91306566), (9, 71016218), (13, 49165074), (14, 45653283), (18, 35508109), (21, 30435522), (26, 24582537), (39, 16388358), (42, 15217761), (63, 10145174), (78, 8194179), (91, 7023582), (117, 5462786), (126, 5072587), (182, 3511791), (234, 2731393), (273, 2341194), (546, 1170597), (819, 780398), (1638, 390199)]