31716790

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{103}}^1$

素因数の和:253

約数の個数: 64

約数和(自身を含む): 67931136

約数和(自身を除く): 36214346

約数列:

[1, 2, 5, 7, 10, 14, 35, 53, 70, 83, 103, 106, 166, 206, 265, 371, 415, 515, 530, 581, 721, 742, 830, 1030, 1162, 1442, 1855, 2905, 3605, 3710, 4399, 5459, 5810, 7210, 8549, 8798, 10918, 17098, 21995, 27295, 30793, 38213, 42745, 43990, 54590, 59843, 61586, 76426, 85490, 119686, 153965, 191065, 299215, 307930, 382130, 453097, 598430, 906194, 2265485, 3171679, 4530970, 6343358, 15858395, 31716790]

約数ペア:

[(1, 31716790), (2, 15858395), (5, 6343358), (7, 4530970), (10, 3171679), (14, 2265485), (35, 906194), (53, 598430), (70, 453097), (83, 382130), (103, 307930), (106, 299215), (166, 191065), (206, 153965), (265, 119686), (371, 85490), (415, 76426), (515, 61586), (530, 59843), (581, 54590), (721, 43990), (742, 42745), (830, 38213), (1030, 30793), (1162, 27295), (1442, 21995), (1855, 17098), (2905, 10918), (3605, 8798), (3710, 8549), (4399, 7210), (5459, 5810)]