25710516

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{401}}^1$

素因数の和:561

約数の個数: 72

約数和(自身を含む): 70676424

約数和(自身を除く): 44965908

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 137, 156, 234, 274, 401, 411, 468, 548, 802, 822, 1203, 1233, 1604, 1644, 1781, 2406, 2466, 3562, 3609, 4812, 4932, 5213, 5343, 7124, 7218, 10426, 10686, 14436, 15639, 16029, 20852, 21372, 31278, 32058, 46917, 54937, 62556, 64116, 93834, 109874, 164811, 187668, 219748, 329622, 494433, 659244, 714181, 988866, 1428362, 1977732, 2142543, 2856724, 4285086, 6427629, 8570172, 12855258, 25710516]

約数ペア:

[(1, 25710516), (2, 12855258), (3, 8570172), (4, 6427629), (6, 4285086), (9, 2856724), (12, 2142543), (13, 1977732), (18, 1428362), (26, 988866), (36, 714181), (39, 659244), (52, 494433), (78, 329622), (117, 219748), (137, 187668), (156, 164811), (234, 109874), (274, 93834), (401, 64116), (411, 62556), (468, 54937), (548, 46917), (802, 32058), (822, 31278), (1203, 21372), (1233, 20852), (1604, 16029), (1644, 15639), (1781, 14436), (2406, 10686), (2466, 10426), (3562, 7218), (3609, 7124), (4812, 5343), (4932, 5213)]