161447724

素因数分解:

$2^2\times 3^2\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{1987}}^1$

素因数の和:2095

約数の個数: 72

約数和(自身を含む): 426219248

約数和(自身を除く): 264771524

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 37, 61, 74, 111, 122, 148, 183, 222, 244, 333, 366, 444, 549, 666, 732, 1098, 1332, 1987, 2196, 2257, 3974, 4514, 5961, 6771, 7948, 9028, 11922, 13542, 17883, 20313, 23844, 27084, 35766, 40626, 71532, 73519, 81252, 121207, 147038, 220557, 242414, 294076, 363621, 441114, 484828, 661671, 727242, 882228, 1090863, 1323342, 1454484, 2181726, 2646684, 4363452, 4484659, 8969318, 13453977, 17938636, 26907954, 40361931, 53815908, 80723862, 161447724]

約数ペア:

[(1, 161447724), (2, 80723862), (3, 53815908), (4, 40361931), (6, 26907954), (9, 17938636), (12, 13453977), (18, 8969318), (36, 4484659), (37, 4363452), (61, 2646684), (74, 2181726), (111, 1454484), (122, 1323342), (148, 1090863), (183, 882228), (222, 727242), (244, 661671), (333, 484828), (366, 441114), (444, 363621), (549, 294076), (666, 242414), (732, 220557), (1098, 147038), (1332, 121207), (1987, 81252), (2196, 73519), (2257, 71532), (3974, 40626), (4514, 35766), (5961, 27084), (6771, 23844), (7948, 20313), (9028, 17883), (11922, 13542)]