78489310

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{223}}^1\times {\mathrm{577}}^1$

素因数の和:868

約数の個数: 32

約数和(自身を含む): 144490752

約数和(自身を除く): 66001442

約数列:

[1, 2, 5, 10, 61, 122, 223, 305, 446, 577, 610, 1115, 1154, 2230, 2885, 5770, 13603, 27206, 35197, 68015, 70394, 128671, 136030, 175985, 257342, 351970, 643355, 1286710, 7848931, 15697862, 39244655, 78489310]

約数ペア:

[(1, 78489310), (2, 39244655), (5, 15697862), (10, 7848931), (61, 1286710), (122, 643355), (223, 351970), (305, 257342), (446, 175985), (577, 136030), (610, 128671), (1115, 70394), (1154, 68015), (2230, 35197), (2885, 27206), (5770, 13603)]