72673936

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{3919}}^1$

素因数の和:4007

約数の個数: 40

約数和(自身を含む): 150684800

約数和(自身を除く): 78010864

約数列:

[1, 2, 4, 8, 16, 19, 38, 61, 76, 122, 152, 244, 304, 488, 976, 1159, 2318, 3919, 4636, 7838, 9272, 15676, 18544, 31352, 62704, 74461, 148922, 239059, 297844, 478118, 595688, 956236, 1191376, 1912472, 3824944, 4542121, 9084242, 18168484, 36336968, 72673936]

約数ペア:

[(1, 72673936), (2, 36336968), (4, 18168484), (8, 9084242), (16, 4542121), (19, 3824944), (38, 1912472), (61, 1191376), (76, 956236), (122, 595688), (152, 478118), (244, 297844), (304, 239059), (488, 148922), (976, 74461), (1159, 62704), (2318, 31352), (3919, 18544), (4636, 15676), (7838, 9272)]