221304312

素因数分解:

$2^3\times 3^4\times {\mathrm{523}}^1\times {\mathrm{653}}^1$

素因数の和:1194

約数の個数: 80

約数和(自身を含む): 621993240

約数和(自身を除く): 400688928

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 324, 523, 648, 653, 1046, 1306, 1569, 1959, 2092, 2612, 3138, 3918, 4184, 4707, 5224, 5877, 6276, 7836, 9414, 11754, 12552, 14121, 15672, 17631, 18828, 23508, 28242, 35262, 37656, 42363, 47016, 52893, 56484, 70524, 84726, 105786, 112968, 141048, 169452, 211572, 338904, 341519, 423144, 683038, 1024557, 1366076, 2049114, 2732152, 3073671, 4098228, 6147342, 8196456, 9221013, 12294684, 18442026, 24589368, 27663039, 36884052, 55326078, 73768104, 110652156, 221304312]

約数ペア:

[(1, 221304312), (2, 110652156), (3, 73768104), (4, 55326078), (6, 36884052), (8, 27663039), (9, 24589368), (12, 18442026), (18, 12294684), (24, 9221013), (27, 8196456), (36, 6147342), (54, 4098228), (72, 3073671), (81, 2732152), (108, 2049114), (162, 1366076), (216, 1024557), (324, 683038), (523, 423144), (648, 341519), (653, 338904), (1046, 211572), (1306, 169452), (1569, 141048), (1959, 112968), (2092, 105786), (2612, 84726), (3138, 70524), (3918, 56484), (4184, 52893), (4707, 47016), (5224, 42363), (5877, 37656), (6276, 35262), (7836, 28242), (9414, 23508), (11754, 18828), (12552, 17631), (14121, 15672)]