198741248

素因数分解:

$2^8\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{317}}^1$

素因数の和:443

約数の個数: 72

約数和(自身を含む): 415994880

約数和(自身を除く): 217253632

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 79, 124, 128, 158, 248, 256, 316, 317, 496, 632, 634, 992, 1264, 1268, 1984, 2449, 2528, 2536, 3968, 4898, 5056, 5072, 7936, 9796, 9827, 10112, 10144, 19592, 19654, 20224, 20288, 25043, 39184, 39308, 40576, 50086, 78368, 78616, 81152, 100172, 156736, 157232, 200344, 313472, 314464, 400688, 626944, 628928, 776333, 801376, 1257856, 1552666, 1602752, 2515712, 3105332, 3205504, 6210664, 6411008, 12421328, 24842656, 49685312, 99370624, 198741248]

約数ペア:

[(1, 198741248), (2, 99370624), (4, 49685312), (8, 24842656), (16, 12421328), (31, 6411008), (32, 6210664), (62, 3205504), (64, 3105332), (79, 2515712), (124, 1602752), (128, 1552666), (158, 1257856), (248, 801376), (256, 776333), (316, 628928), (317, 626944), (496, 400688), (632, 314464), (634, 313472), (992, 200344), (1264, 157232), (1268, 156736), (1984, 100172), (2449, 81152), (2528, 78616), (2536, 78368), (3968, 50086), (4898, 40576), (5056, 39308), (5072, 39184), (7936, 25043), (9796, 20288), (9827, 20224), (10112, 19654), (10144, 19592)]