1408839664

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{151}}^1\times {\mathrm{653}}^1$

素因数の和:878

約数の個数: 80

約数和(自身を含む): 2958382080

約数和(自身を除く): 1549542416

約数列:

[1, 2, 4, 8, 16, 19, 38, 47, 76, 94, 151, 152, 188, 302, 304, 376, 604, 653, 752, 893, 1208, 1306, 1786, 2416, 2612, 2869, 3572, 5224, 5738, 7097, 7144, 10448, 11476, 12407, 14194, 14288, 22952, 24814, 28388, 30691, 45904, 49628, 56776, 61382, 98603, 99256, 113552, 122764, 134843, 197206, 198512, 245528, 269686, 394412, 491056, 539372, 583129, 788824, 1078744, 1166258, 1577648, 1873457, 2157488, 2332516, 3746914, 4634341, 4665032, 7493828, 9268682, 9330064, 14987656, 18537364, 29975312, 37074728, 74149456, 88052479, 176104958, 352209916, 704419832, 1408839664]

約数ペア:

[(1, 1408839664), (2, 704419832), (4, 352209916), (8, 176104958), (16, 88052479), (19, 74149456), (38, 37074728), (47, 29975312), (76, 18537364), (94, 14987656), (151, 9330064), (152, 9268682), (188, 7493828), (302, 4665032), (304, 4634341), (376, 3746914), (604, 2332516), (653, 2157488), (752, 1873457), (893, 1577648), (1208, 1166258), (1306, 1078744), (1786, 788824), (2416, 583129), (2612, 539372), (2869, 491056), (3572, 394412), (5224, 269686), (5738, 245528), (7097, 198512), (7144, 197206), (10448, 134843), (11476, 122764), (12407, 113552), (14194, 99256), (14288, 98603), (22952, 61382), (24814, 56776), (28388, 49628), (30691, 45904)]