9954521980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{814609}}^1$

素因数の和:814678

約数の個数: 48

約数和(自身を含む): 22991552640

約数和(自身を除く): 13037030660

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 47, 52, 65, 94, 130, 188, 235, 260, 470, 611, 940, 1222, 2444, 3055, 6110, 12220, 814609, 1629218, 3258436, 4073045, 8146090, 10589917, 16292180, 21179834, 38286623, 42359668, 52949585, 76573246, 105899170, 153146492, 191433115, 211798340, 382866230, 497726099, 765732460, 995452198, 1990904396, 2488630495, 4977260990, 9954521980]

約数ペア:

[(1, 9954521980), (2, 4977260990), (4, 2488630495), (5, 1990904396), (10, 995452198), (13, 765732460), (20, 497726099), (26, 382866230), (47, 211798340), (52, 191433115), (65, 153146492), (94, 105899170), (130, 76573246), (188, 52949585), (235, 42359668), (260, 38286623), (470, 21179834), (611, 16292180), (940, 10589917), (1222, 8146090), (2444, 4073045), (3055, 3258436), (6110, 1629218), (12220, 814609)]