39816972

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{571}}^1$

素因数の和:743

約数の個数: 72

約数和(自身を含む): 109309200

約数和(自身を除く): 69492228

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 149, 156, 234, 298, 447, 468, 571, 596, 894, 1142, 1341, 1713, 1788, 1937, 2284, 2682, 3426, 3874, 5139, 5364, 5811, 6852, 7423, 7748, 10278, 11622, 14846, 17433, 20556, 22269, 23244, 29692, 34866, 44538, 66807, 69732, 85079, 89076, 133614, 170158, 255237, 267228, 340316, 510474, 765711, 1020948, 1106027, 1531422, 2212054, 3062844, 3318081, 4424108, 6636162, 9954243, 13272324, 19908486, 39816972]

約数ペア:

[(1, 39816972), (2, 19908486), (3, 13272324), (4, 9954243), (6, 6636162), (9, 4424108), (12, 3318081), (13, 3062844), (18, 2212054), (26, 1531422), (36, 1106027), (39, 1020948), (52, 765711), (78, 510474), (117, 340316), (149, 267228), (156, 255237), (234, 170158), (298, 133614), (447, 89076), (468, 85079), (571, 69732), (596, 66807), (894, 44538), (1142, 34866), (1341, 29692), (1713, 23244), (1788, 22269), (1937, 20556), (2284, 17433), (2682, 14846), (3426, 11622), (3874, 10278), (5139, 7748), (5364, 7423), (5811, 6852)]