28129090

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{113}}^1$

素因数の和:235

約数の個数: 64

約数和(自身を含む): 58309632

約数和(自身を除く): 30180542

約数列:

[1, 2, 5, 10, 11, 22, 31, 55, 62, 73, 110, 113, 146, 155, 226, 310, 341, 365, 565, 682, 730, 803, 1130, 1243, 1606, 1705, 2263, 2486, 3410, 3503, 4015, 4526, 6215, 7006, 8030, 8249, 11315, 12430, 16498, 17515, 22630, 24893, 35030, 38533, 41245, 49786, 77066, 82490, 90739, 124465, 181478, 192665, 248930, 255719, 385330, 453695, 511438, 907390, 1278595, 2557190, 2812909, 5625818, 14064545, 28129090]

約数ペア:

[(1, 28129090), (2, 14064545), (5, 5625818), (10, 2812909), (11, 2557190), (22, 1278595), (31, 907390), (55, 511438), (62, 453695), (73, 385330), (110, 255719), (113, 248930), (146, 192665), (155, 181478), (226, 124465), (310, 90739), (341, 82490), (365, 77066), (565, 49786), (682, 41245), (730, 38533), (803, 35030), (1130, 24893), (1243, 22630), (1606, 17515), (1705, 16498), (2263, 12430), (2486, 11315), (3410, 8249), (3503, 8030), (4015, 7006), (4526, 6215)]