1388392016

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{415189}}^1$

素因数の和:415227

約数の個数: 40

約数和(自身を含む): 3089013600

約数和(自身を除く): 1700621584

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 38, 44, 76, 88, 152, 176, 209, 304, 418, 836, 1672, 3344, 415189, 830378, 1660756, 3321512, 4567079, 6643024, 7888591, 9134158, 15777182, 18268316, 31554364, 36536632, 63108728, 73073264, 86774501, 126217456, 173549002, 347098004, 694196008, 1388392016]

約数ペア:

[(1, 1388392016), (2, 694196008), (4, 347098004), (8, 173549002), (11, 126217456), (16, 86774501), (19, 73073264), (22, 63108728), (38, 36536632), (44, 31554364), (76, 18268316), (88, 15777182), (152, 9134158), (176, 7888591), (209, 6643024), (304, 4567079), (418, 3321512), (836, 1660756), (1672, 830378), (3344, 415189)]