397721952

素因数分解:

$2^5\times 3^2\times {\mathrm{61}}^1\times {\mathrm{22639}}^1$

素因数の和:22716

約数の個数: 72

約数和(自身を含む): 1149613920

約数和(自身を除く): 751891968

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 61, 72, 96, 122, 144, 183, 244, 288, 366, 488, 549, 732, 976, 1098, 1464, 1952, 2196, 2928, 4392, 5856, 8784, 17568, 22639, 45278, 67917, 90556, 135834, 181112, 203751, 271668, 362224, 407502, 543336, 724448, 815004, 1086672, 1380979, 1630008, 2173344, 2761958, 3260016, 4142937, 5523916, 6520032, 8285874, 11047832, 12428811, 16571748, 22095664, 24857622, 33143496, 44191328, 49715244, 66286992, 99430488, 132573984, 198860976, 397721952]

約数ペア:

[(1, 397721952), (2, 198860976), (3, 132573984), (4, 99430488), (6, 66286992), (8, 49715244), (9, 44191328), (12, 33143496), (16, 24857622), (18, 22095664), (24, 16571748), (32, 12428811), (36, 11047832), (48, 8285874), (61, 6520032), (72, 5523916), (96, 4142937), (122, 3260016), (144, 2761958), (183, 2173344), (244, 1630008), (288, 1380979), (366, 1086672), (488, 815004), (549, 724448), (732, 543336), (976, 407502), (1098, 362224), (1464, 271668), (1952, 203751), (2196, 181112), (2928, 135834), (4392, 90556), (5856, 67917), (8784, 45278), (17568, 22639)]