491558418

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{29587}}^1$

素因数の和:29679

約数の個数: 48

約数和(自身を含む): 1163163456

約数和(自身を除く): 671605038

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 71, 78, 117, 142, 213, 234, 426, 639, 923, 1278, 1846, 2769, 5538, 8307, 16614, 29587, 59174, 88761, 177522, 266283, 384631, 532566, 769262, 1153893, 2100677, 2307786, 3461679, 4201354, 6302031, 6923358, 12604062, 18906093, 27308801, 37812186, 54617602, 81926403, 163852806, 245779209, 491558418]

約数ペア:

[(1, 491558418), (2, 245779209), (3, 163852806), (6, 81926403), (9, 54617602), (13, 37812186), (18, 27308801), (26, 18906093), (39, 12604062), (71, 6923358), (78, 6302031), (117, 4201354), (142, 3461679), (213, 2307786), (234, 2100677), (426, 1153893), (639, 769262), (923, 532566), (1278, 384631), (1846, 266283), (2769, 177522), (5538, 88761), (8307, 59174), (16614, 29587)]