215858962

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{821}}^1$

素因数の和:907

約数の個数: 64

約数和(自身を含む): 404818560

約数和(自身を除く): 188959598

約数列:

[1, 2, 11, 17, 19, 22, 34, 37, 38, 74, 187, 209, 323, 374, 407, 418, 629, 646, 703, 814, 821, 1258, 1406, 1642, 3553, 6919, 7106, 7733, 9031, 11951, 13838, 13957, 15466, 15599, 18062, 23902, 27914, 30377, 31198, 60754, 131461, 153527, 171589, 262922, 265183, 307054, 334147, 343178, 516409, 530366, 577163, 668294, 1032818, 1154326, 2917013, 5680499, 5834026, 6348793, 9811771, 11360998, 12697586, 19623542, 107929481, 215858962]

約数ペア:

[(1, 215858962), (2, 107929481), (11, 19623542), (17, 12697586), (19, 11360998), (22, 9811771), (34, 6348793), (37, 5834026), (38, 5680499), (74, 2917013), (187, 1154326), (209, 1032818), (323, 668294), (374, 577163), (407, 530366), (418, 516409), (629, 343178), (646, 334147), (703, 307054), (814, 265183), (821, 262922), (1258, 171589), (1406, 153527), (1642, 131461), (3553, 60754), (6919, 31198), (7106, 30377), (7733, 27914), (9031, 23902), (11951, 18062), (13838, 15599), (13957, 15466)]