642111184

素因数分解:

$2^4\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{823}}^1$

素因数の和:897

約数の個数: 120

約数和(自身を含む): 1522013696

約数和(自身を除く): 879902512

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 31, 44, 52, 62, 88, 104, 121, 124, 143, 176, 208, 242, 248, 286, 341, 403, 484, 496, 572, 682, 806, 823, 968, 1144, 1364, 1573, 1612, 1646, 1936, 2288, 2728, 3146, 3224, 3292, 3751, 4433, 5456, 6292, 6448, 6584, 7502, 8866, 9053, 10699, 12584, 13168, 15004, 17732, 18106, 21398, 25168, 25513, 30008, 35464, 36212, 42796, 48763, 51026, 60016, 70928, 72424, 85592, 97526, 99583, 102052, 117689, 144848, 171184, 195052, 199166, 204104, 235378, 280643, 331669, 390104, 398332, 408208, 470756, 561286, 663338, 780208, 796664, 941512, 1122572, 1294579, 1326676, 1593328, 1883024, 2245144, 2589158, 2653352, 3087073, 3648359, 4490288, 5178316, 5306704, 6174146, 7296718, 10356632, 12348292, 14593436, 20713264, 24696584, 29186872, 40131949, 49393168, 58373744, 80263898, 160527796, 321055592, 642111184]

約数ペア:

[(1, 642111184), (2, 321055592), (4, 160527796), (8, 80263898), (11, 58373744), (13, 49393168), (16, 40131949), (22, 29186872), (26, 24696584), (31, 20713264), (44, 14593436), (52, 12348292), (62, 10356632), (88, 7296718), (104, 6174146), (121, 5306704), (124, 5178316), (143, 4490288), (176, 3648359), (208, 3087073), (242, 2653352), (248, 2589158), (286, 2245144), (341, 1883024), (403, 1593328), (484, 1326676), (496, 1294579), (572, 1122572), (682, 941512), (806, 796664), (823, 780208), (968, 663338), (1144, 561286), (1364, 470756), (1573, 408208), (1612, 398332), (1646, 390104), (1936, 331669), (2288, 280643), (2728, 235378), (3146, 204104), (3224, 199166), (3292, 195052), (3751, 171184), (4433, 144848), (5456, 117689), (6292, 102052), (6448, 99583), (6584, 97526), (7502, 85592), (8866, 72424), (9053, 70928), (10699, 60016), (12584, 51026), (13168, 48763), (15004, 42796), (17732, 36212), (18106, 35464), (21398, 30008), (25168, 25513)]