661300928

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{331}}^1$

素因数の和:446

約数の個数: 112

約数和(自身を含む): 1457187840

約数和(自身を除く): 795886912

約数列:

[1, 2, 4, 8, 16, 19, 31, 32, 38, 53, 62, 64, 76, 106, 124, 152, 212, 248, 304, 331, 424, 496, 589, 608, 662, 848, 992, 1007, 1178, 1216, 1324, 1643, 1696, 1984, 2014, 2356, 2648, 3286, 3392, 4028, 4712, 5296, 6289, 6572, 8056, 9424, 10261, 10592, 12578, 13144, 16112, 17543, 18848, 20522, 21184, 25156, 26288, 31217, 32224, 35086, 37696, 41044, 50312, 52576, 62434, 64448, 70172, 82088, 100624, 105152, 124868, 140344, 164176, 194959, 201248, 249736, 280688, 328352, 333317, 389918, 402496, 499472, 543833, 561376, 656704, 666634, 779836, 998944, 1087666, 1122752, 1333268, 1559672, 1997888, 2175332, 2666536, 3119344, 4350664, 5333072, 6238688, 8701328, 10332827, 10666144, 12477376, 17402656, 20665654, 21332288, 34805312, 41331308, 82662616, 165325232, 330650464, 661300928]

約数ペア:

[(1, 661300928), (2, 330650464), (4, 165325232), (8, 82662616), (16, 41331308), (19, 34805312), (31, 21332288), (32, 20665654), (38, 17402656), (53, 12477376), (62, 10666144), (64, 10332827), (76, 8701328), (106, 6238688), (124, 5333072), (152, 4350664), (212, 3119344), (248, 2666536), (304, 2175332), (331, 1997888), (424, 1559672), (496, 1333268), (589, 1122752), (608, 1087666), (662, 998944), (848, 779836), (992, 666634), (1007, 656704), (1178, 561376), (1216, 543833), (1324, 499472), (1643, 402496), (1696, 389918), (1984, 333317), (2014, 328352), (2356, 280688), (2648, 249736), (3286, 201248), (3392, 194959), (4028, 164176), (4712, 140344), (5296, 124868), (6289, 105152), (6572, 100624), (8056, 82088), (9424, 70172), (10261, 64448), (10592, 62434), (12578, 52576), (13144, 50312), (16112, 41044), (17543, 37696), (18848, 35086), (20522, 32224), (21184, 31217), (25156, 26288)]