40891838

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1$

素因数の和:177

約数の個数: 64

約数和(自身を含む): 74995200

約数和(自身を除く): 34103362

約数列:

[1, 2, 13, 19, 23, 26, 38, 46, 59, 61, 118, 122, 247, 299, 437, 494, 598, 767, 793, 874, 1121, 1159, 1357, 1403, 1534, 1586, 2242, 2318, 2714, 2806, 3599, 5681, 7198, 11362, 14573, 15067, 17641, 18239, 25783, 26657, 29146, 30134, 35282, 36478, 46787, 51566, 53314, 68381, 82777, 93574, 136762, 165554, 335179, 346541, 670358, 693082, 888953, 1076101, 1572763, 1777906, 2152202, 3145526, 20445919, 40891838]

約数ペア:

[(1, 40891838), (2, 20445919), (13, 3145526), (19, 2152202), (23, 1777906), (26, 1572763), (38, 1076101), (46, 888953), (59, 693082), (61, 670358), (118, 346541), (122, 335179), (247, 165554), (299, 136762), (437, 93574), (494, 82777), (598, 68381), (767, 53314), (793, 51566), (874, 46787), (1121, 36478), (1159, 35282), (1357, 30134), (1403, 29146), (1534, 26657), (1586, 25783), (2242, 18239), (2318, 17641), (2714, 15067), (2806, 14573), (3599, 11362), (5681, 7198)]