2111551112

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{12689}}^1$

素因数の和:12798

約数の個数: 64

約数和(自身を含む): 4531852800

約数和(自身を除く): 2420301688

約数列:

[1, 2, 4, 8, 11, 22, 31, 44, 61, 62, 88, 122, 124, 244, 248, 341, 488, 671, 682, 1342, 1364, 1891, 2684, 2728, 3782, 5368, 7564, 12689, 15128, 20801, 25378, 41602, 50756, 83204, 101512, 139579, 166408, 279158, 393359, 558316, 774029, 786718, 1116632, 1548058, 1573436, 3096116, 3146872, 4326949, 6192232, 8514319, 8653898, 17028638, 17307796, 23994899, 34057276, 34615592, 47989798, 68114552, 95979596, 191959192, 263943889, 527887778, 1055775556, 2111551112]

約数ペア:

[(1, 2111551112), (2, 1055775556), (4, 527887778), (8, 263943889), (11, 191959192), (22, 95979596), (31, 68114552), (44, 47989798), (61, 34615592), (62, 34057276), (88, 23994899), (122, 17307796), (124, 17028638), (244, 8653898), (248, 8514319), (341, 6192232), (488, 4326949), (671, 3146872), (682, 3096116), (1342, 1573436), (1364, 1548058), (1891, 1116632), (2684, 786718), (2728, 774029), (3782, 558316), (5368, 393359), (7564, 279158), (12689, 166408), (15128, 139579), (20801, 101512), (25378, 83204), (41602, 50756)]