981480832

素因数分解:

$2^7\times {\mathrm{31}}^2\times {\mathrm{79}}^1\times {\mathrm{101}}^1$

素因数の和:256

約数の個数: 96

約数和(自身を含む): 2066234400

約数和(自身を除く): 1084753568

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 79, 101, 124, 128, 158, 202, 248, 316, 404, 496, 632, 808, 961, 992, 1264, 1616, 1922, 1984, 2449, 2528, 3131, 3232, 3844, 3968, 4898, 5056, 6262, 6464, 7688, 7979, 9796, 10112, 12524, 12928, 15376, 15958, 19592, 25048, 30752, 31916, 39184, 50096, 61504, 63832, 75919, 78368, 97061, 100192, 123008, 127664, 151838, 156736, 194122, 200384, 247349, 255328, 303676, 313472, 388244, 400768, 494698, 510656, 607352, 776488, 989396, 1021312, 1214704, 1552976, 1978792, 2429408, 3105952, 3957584, 4858816, 6211904, 7667819, 7915168, 9717632, 12423808, 15335638, 15830336, 30671276, 31660672, 61342552, 122685104, 245370208, 490740416, 981480832]

約数ペア:

[(1, 981480832), (2, 490740416), (4, 245370208), (8, 122685104), (16, 61342552), (31, 31660672), (32, 30671276), (62, 15830336), (64, 15335638), (79, 12423808), (101, 9717632), (124, 7915168), (128, 7667819), (158, 6211904), (202, 4858816), (248, 3957584), (316, 3105952), (404, 2429408), (496, 1978792), (632, 1552976), (808, 1214704), (961, 1021312), (992, 989396), (1264, 776488), (1616, 607352), (1922, 510656), (1984, 494698), (2449, 400768), (2528, 388244), (3131, 313472), (3232, 303676), (3844, 255328), (3968, 247349), (4898, 200384), (5056, 194122), (6262, 156736), (6464, 151838), (7688, 127664), (7979, 123008), (9796, 100192), (10112, 97061), (12524, 78368), (12928, 75919), (15376, 63832), (15958, 61504), (19592, 50096), (25048, 39184), (30752, 31916)]