31509828

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{6581}}^1$

素因数の和:6617

約数の個数: 72

約数和(自身を含む): 95833920

約数和(自身を除く): 64324092

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 28, 36, 38, 42, 57, 63, 76, 84, 114, 126, 133, 171, 228, 252, 266, 342, 399, 532, 684, 798, 1197, 1596, 2394, 4788, 6581, 13162, 19743, 26324, 39486, 46067, 59229, 78972, 92134, 118458, 125039, 138201, 184268, 236916, 250078, 276402, 375117, 414603, 500156, 552804, 750234, 829206, 875273, 1125351, 1500468, 1658412, 1750546, 2250702, 2625819, 3501092, 4501404, 5251638, 7877457, 10503276, 15754914, 31509828]

約数ペア:

[(1, 31509828), (2, 15754914), (3, 10503276), (4, 7877457), (6, 5251638), (7, 4501404), (9, 3501092), (12, 2625819), (14, 2250702), (18, 1750546), (19, 1658412), (21, 1500468), (28, 1125351), (36, 875273), (38, 829206), (42, 750234), (57, 552804), (63, 500156), (76, 414603), (84, 375117), (114, 276402), (126, 250078), (133, 236916), (171, 184268), (228, 138201), (252, 125039), (266, 118458), (342, 92134), (399, 78972), (532, 59229), (684, 46067), (798, 39486), (1197, 26324), (1596, 19743), (2394, 13162), (4788, 6581)]