398969376

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{319687}}^1$

素因数の和:319713

約数の個数: 48

約数和(自身を含む): 1127859264

約数和(自身を除く): 728889888

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 78, 96, 104, 156, 208, 312, 416, 624, 1248, 319687, 639374, 959061, 1278748, 1918122, 2557496, 3836244, 4155931, 5114992, 7672488, 8311862, 10229984, 12467793, 15344976, 16623724, 24935586, 30689952, 33247448, 49871172, 66494896, 99742344, 132989792, 199484688, 398969376]

約数ペア:

[(1, 398969376), (2, 199484688), (3, 132989792), (4, 99742344), (6, 66494896), (8, 49871172), (12, 33247448), (13, 30689952), (16, 24935586), (24, 16623724), (26, 15344976), (32, 12467793), (39, 10229984), (48, 8311862), (52, 7672488), (78, 5114992), (96, 4155931), (104, 3836244), (156, 2557496), (208, 1918122), (312, 1278748), (416, 959061), (624, 639374), (1248, 319687)]