198205568

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{239}}^1$

素因数の和:314

約数の個数: 128

約数和(自身を含む): 470016000

約数和(自身を除く): 271810432

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 31, 32, 38, 44, 62, 64, 76, 88, 124, 128, 152, 176, 209, 239, 248, 304, 341, 352, 418, 478, 496, 589, 608, 682, 704, 836, 956, 992, 1178, 1216, 1364, 1408, 1672, 1912, 1984, 2356, 2432, 2629, 2728, 3344, 3824, 3968, 4541, 4712, 5258, 5456, 6479, 6688, 7409, 7648, 9082, 9424, 10516, 10912, 12958, 13376, 14818, 15296, 18164, 18848, 21032, 21824, 25916, 26752, 29636, 30592, 36328, 37696, 42064, 43648, 49951, 51832, 59272, 72656, 75392, 81499, 84128, 99902, 103664, 118544, 140771, 145312, 162998, 168256, 199804, 207328, 237088, 281542, 290624, 325996, 336512, 399608, 414656, 474176, 563084, 581248, 651992, 799216, 829312, 948352, 1126168, 1303984, 1548481, 1598432, 2252336, 2607968, 3096962, 3196864, 4504672, 5215936, 6193924, 6393728, 9009344, 10431872, 12387848, 18018688, 24775696, 49551392, 99102784, 198205568]

約数ペア:

[(1, 198205568), (2, 99102784), (4, 49551392), (8, 24775696), (11, 18018688), (16, 12387848), (19, 10431872), (22, 9009344), (31, 6393728), (32, 6193924), (38, 5215936), (44, 4504672), (62, 3196864), (64, 3096962), (76, 2607968), (88, 2252336), (124, 1598432), (128, 1548481), (152, 1303984), (176, 1126168), (209, 948352), (239, 829312), (248, 799216), (304, 651992), (341, 581248), (352, 563084), (418, 474176), (478, 414656), (496, 399608), (589, 336512), (608, 325996), (682, 290624), (704, 281542), (836, 237088), (956, 207328), (992, 199804), (1178, 168256), (1216, 162998), (1364, 145312), (1408, 140771), (1672, 118544), (1912, 103664), (1984, 99902), (2356, 84128), (2432, 81499), (2629, 75392), (2728, 72656), (3344, 59272), (3824, 51832), (3968, 49951), (4541, 43648), (4712, 42064), (5258, 37696), (5456, 36328), (6479, 30592), (6688, 29636), (7409, 26752), (7648, 25916), (9082, 21824), (9424, 21032), (10516, 18848), (10912, 18164), (12958, 15296), (13376, 14818)]