31388532

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{277}}^1$

素因数の和:381

約数の個数: 96

約数和(自身を含む): 89671680

約数和(自身を除く): 58283148

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 28, 38, 42, 57, 71, 76, 84, 114, 133, 142, 213, 228, 266, 277, 284, 399, 426, 497, 532, 554, 798, 831, 852, 994, 1108, 1349, 1491, 1596, 1662, 1939, 1988, 2698, 2982, 3324, 3878, 4047, 5263, 5396, 5817, 5964, 7756, 8094, 9443, 10526, 11634, 15789, 16188, 18886, 19667, 21052, 23268, 28329, 31578, 36841, 37772, 39334, 56658, 59001, 63156, 73682, 78668, 110523, 113316, 118002, 137669, 147364, 221046, 236004, 275338, 373673, 413007, 442092, 550676, 747346, 826014, 1121019, 1494692, 1652028, 2242038, 2615711, 4484076, 5231422, 7847133, 10462844, 15694266, 31388532]

約数ペア:

[(1, 31388532), (2, 15694266), (3, 10462844), (4, 7847133), (6, 5231422), (7, 4484076), (12, 2615711), (14, 2242038), (19, 1652028), (21, 1494692), (28, 1121019), (38, 826014), (42, 747346), (57, 550676), (71, 442092), (76, 413007), (84, 373673), (114, 275338), (133, 236004), (142, 221046), (213, 147364), (228, 137669), (266, 118002), (277, 113316), (284, 110523), (399, 78668), (426, 73682), (497, 63156), (532, 59001), (554, 56658), (798, 39334), (831, 37772), (852, 36841), (994, 31578), (1108, 28329), (1349, 23268), (1491, 21052), (1596, 19667), (1662, 18886), (1939, 16188), (1988, 15789), (2698, 11634), (2982, 10526), (3324, 9443), (3878, 8094), (4047, 7756), (5263, 5964), (5396, 5817)]