15890308

素因数分解:

$2^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{251}}^1$

素因数の和:305

約数の個数: 72

約数和(自身を含む): 36197280

約数和(自身を除く): 20306972

約数列:

[1, 2, 4, 7, 14, 17, 19, 28, 34, 38, 49, 68, 76, 98, 119, 133, 196, 238, 251, 266, 323, 476, 502, 532, 646, 833, 931, 1004, 1292, 1666, 1757, 1862, 2261, 3332, 3514, 3724, 4267, 4522, 4769, 7028, 8534, 9044, 9538, 12299, 15827, 17068, 19076, 24598, 29869, 31654, 33383, 49196, 59738, 63308, 66766, 81073, 119476, 133532, 162146, 209083, 233681, 324292, 418166, 467362, 567511, 836332, 934724, 1135022, 2270044, 3972577, 7945154, 15890308]

約数ペア:

[(1, 15890308), (2, 7945154), (4, 3972577), (7, 2270044), (14, 1135022), (17, 934724), (19, 836332), (28, 567511), (34, 467362), (38, 418166), (49, 324292), (68, 233681), (76, 209083), (98, 162146), (119, 133532), (133, 119476), (196, 81073), (238, 66766), (251, 63308), (266, 59738), (323, 49196), (476, 33383), (502, 31654), (532, 29869), (646, 24598), (833, 19076), (931, 17068), (1004, 15827), (1292, 12299), (1666, 9538), (1757, 9044), (1862, 8534), (2261, 7028), (3332, 4769), (3514, 4522), (3724, 4267)]