639044892

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^2\times {\mathrm{239}}^1\times {\mathrm{257}}^1$

素因数の和:540

約数の個数: 108

約数和(自身を含む): 1729859040

約数和(自身を除く): 1090814148

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 102, 153, 204, 239, 257, 289, 306, 478, 514, 578, 612, 717, 771, 867, 956, 1028, 1156, 1434, 1542, 1734, 2151, 2313, 2601, 2868, 3084, 3468, 4063, 4302, 4369, 4626, 5202, 8126, 8604, 8738, 9252, 10404, 12189, 13107, 16252, 17476, 24378, 26214, 36567, 39321, 48756, 52428, 61423, 69071, 73134, 74273, 78642, 122846, 138142, 146268, 148546, 157284, 184269, 207213, 222819, 245692, 276284, 297092, 368538, 414426, 445638, 552807, 621639, 668457, 737076, 828852, 891276, 1044191, 1105614, 1243278, 1336914, 2088382, 2211228, 2486556, 2673828, 3132573, 4176764, 6265146, 9397719, 12530292, 17751247, 18795438, 35502494, 37590876, 53253741, 71004988, 106507482, 159761223, 213014964, 319522446, 639044892]

約数ペア:

[(1, 639044892), (2, 319522446), (3, 213014964), (4, 159761223), (6, 106507482), (9, 71004988), (12, 53253741), (17, 37590876), (18, 35502494), (34, 18795438), (36, 17751247), (51, 12530292), (68, 9397719), (102, 6265146), (153, 4176764), (204, 3132573), (239, 2673828), (257, 2486556), (289, 2211228), (306, 2088382), (478, 1336914), (514, 1243278), (578, 1105614), (612, 1044191), (717, 891276), (771, 828852), (867, 737076), (956, 668457), (1028, 621639), (1156, 552807), (1434, 445638), (1542, 414426), (1734, 368538), (2151, 297092), (2313, 276284), (2601, 245692), (2868, 222819), (3084, 207213), (3468, 184269), (4063, 157284), (4302, 148546), (4369, 146268), (4626, 138142), (5202, 122846), (8126, 78642), (8604, 74273), (8738, 73134), (9252, 69071), (10404, 61423), (12189, 52428), (13107, 48756), (16252, 39321), (17476, 36567), (24378, 26214)]