16958772

素因数分解:

$2^2\times 3^2\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:245

約数の個数: 72

約数和(自身を含む): 44553600

約数和(自身を除く): 27594828

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 67, 79, 89, 134, 158, 178, 201, 237, 267, 268, 316, 356, 402, 474, 534, 603, 711, 801, 804, 948, 1068, 1206, 1422, 1602, 2412, 2844, 3204, 5293, 5963, 7031, 10586, 11926, 14062, 15879, 17889, 21093, 21172, 23852, 28124, 31758, 35778, 42186, 47637, 53667, 63279, 63516, 71556, 84372, 95274, 107334, 126558, 190548, 214668, 253116, 471077, 942154, 1413231, 1884308, 2826462, 4239693, 5652924, 8479386, 16958772]

約数ペア:

[(1, 16958772), (2, 8479386), (3, 5652924), (4, 4239693), (6, 2826462), (9, 1884308), (12, 1413231), (18, 942154), (36, 471077), (67, 253116), (79, 214668), (89, 190548), (134, 126558), (158, 107334), (178, 95274), (201, 84372), (237, 71556), (267, 63516), (268, 63279), (316, 53667), (356, 47637), (402, 42186), (474, 35778), (534, 31758), (603, 28124), (711, 23852), (801, 21172), (804, 21093), (948, 17889), (1068, 15879), (1206, 14062), (1422, 11926), (1602, 10586), (2412, 7031), (2844, 5963), (3204, 5293)]