25415908

素因数分解:

$2^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1$

素因数の和:185

約数の個数: 72

約数和(自身を含む): 55157760

約数和(自身を除く): 29741852

約数列:

[1, 2, 4, 7, 14, 28, 31, 47, 49, 62, 89, 94, 98, 124, 178, 188, 196, 217, 329, 356, 434, 623, 658, 868, 1246, 1316, 1457, 1519, 2303, 2492, 2759, 2914, 3038, 4183, 4361, 4606, 5518, 5828, 6076, 8366, 8722, 9212, 10199, 11036, 16732, 17444, 19313, 20398, 29281, 38626, 40796, 58562, 71393, 77252, 117124, 129673, 135191, 142786, 204967, 259346, 270382, 285572, 409934, 518692, 540764, 819868, 907711, 1815422, 3630844, 6353977, 12707954, 25415908]

約数ペア:

[(1, 25415908), (2, 12707954), (4, 6353977), (7, 3630844), (14, 1815422), (28, 907711), (31, 819868), (47, 540764), (49, 518692), (62, 409934), (89, 285572), (94, 270382), (98, 259346), (124, 204967), (178, 142786), (188, 135191), (196, 129673), (217, 117124), (329, 77252), (356, 71393), (434, 58562), (623, 40796), (658, 38626), (868, 29281), (1246, 20398), (1316, 19313), (1457, 17444), (1519, 16732), (2303, 11036), (2492, 10199), (2759, 9212), (2914, 8722), (3038, 8366), (4183, 6076), (4361, 5828), (4606, 5518)]