989894376

素因数分解:

$2^3\times 3^2\times {\mathrm{19}}^1\times {\mathrm{723607}}^1$

素因数の和:723638

約数の個数: 48

約数和(自身を含む): 2822071200

約数和(自身を除く): 1832176824

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 36, 38, 57, 72, 76, 114, 152, 171, 228, 342, 456, 684, 1368, 723607, 1447214, 2170821, 2894428, 4341642, 5788856, 6512463, 8683284, 13024926, 13748533, 17366568, 26049852, 27497066, 41245599, 52099704, 54994132, 82491198, 109988264, 123736797, 164982396, 247473594, 329964792, 494947188, 989894376]

約数ペア:

[(1, 989894376), (2, 494947188), (3, 329964792), (4, 247473594), (6, 164982396), (8, 123736797), (9, 109988264), (12, 82491198), (18, 54994132), (19, 52099704), (24, 41245599), (36, 27497066), (38, 26049852), (57, 17366568), (72, 13748533), (76, 13024926), (114, 8683284), (152, 6512463), (171, 5788856), (228, 4341642), (342, 2894428), (456, 2170821), (684, 1447214), (1368, 723607)]