221407456

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{691}}^1$

素因数の和:768

約数の個数: 96

約数和(自身を含む): 502225920

約数和(自身を除く): 280818464

約数列:

[1, 2, 4, 8, 16, 17, 19, 31, 32, 34, 38, 62, 68, 76, 124, 136, 152, 248, 272, 304, 323, 496, 527, 544, 589, 608, 646, 691, 992, 1054, 1178, 1292, 1382, 2108, 2356, 2584, 2764, 4216, 4712, 5168, 5528, 8432, 9424, 10013, 10336, 11056, 11747, 13129, 16864, 18848, 20026, 21421, 22112, 23494, 26258, 40052, 42842, 46988, 52516, 80104, 85684, 93976, 105032, 160208, 171368, 187952, 210064, 223193, 320416, 342736, 364157, 375904, 406999, 420128, 446386, 685472, 728314, 813998, 892772, 1456628, 1627996, 1785544, 2913256, 3255992, 3571088, 5826512, 6511984, 6918983, 7142176, 11653024, 13023968, 13837966, 27675932, 55351864, 110703728, 221407456]

約数ペア:

[(1, 221407456), (2, 110703728), (4, 55351864), (8, 27675932), (16, 13837966), (17, 13023968), (19, 11653024), (31, 7142176), (32, 6918983), (34, 6511984), (38, 5826512), (62, 3571088), (68, 3255992), (76, 2913256), (124, 1785544), (136, 1627996), (152, 1456628), (248, 892772), (272, 813998), (304, 728314), (323, 685472), (496, 446386), (527, 420128), (544, 406999), (589, 375904), (608, 364157), (646, 342736), (691, 320416), (992, 223193), (1054, 210064), (1178, 187952), (1292, 171368), (1382, 160208), (2108, 105032), (2356, 93976), (2584, 85684), (2764, 80104), (4216, 52516), (4712, 46988), (5168, 42842), (5528, 40052), (8432, 26258), (9424, 23494), (10013, 22112), (10336, 21421), (11056, 20026), (11747, 18848), (13129, 16864)]