639843786

素因数分解:

$2^1\times 3^5\times {\mathrm{41}}^1\times {\mathrm{163}}^1\times {\mathrm{197}}^1$

素因数の和:418

約数の個数: 96

約数和(自身を含む): 1489295808

約数和(自身を除く): 849452022

約数列:

[1, 2, 3, 6, 9, 18, 27, 41, 54, 81, 82, 123, 162, 163, 197, 243, 246, 326, 369, 394, 486, 489, 591, 738, 978, 1107, 1182, 1467, 1773, 2214, 2934, 3321, 3546, 4401, 5319, 6642, 6683, 8077, 8802, 9963, 10638, 13203, 13366, 15957, 16154, 19926, 20049, 24231, 26406, 31914, 32111, 39609, 40098, 47871, 48462, 60147, 64222, 72693, 79218, 95742, 96333, 120294, 145386, 180441, 192666, 218079, 288999, 360882, 436158, 541323, 577998, 654237, 866997, 1082646, 1308474, 1316551, 1623969, 1733994, 1962711, 2600991, 2633102, 3247938, 3925422, 3949653, 5201982, 7802973, 7899306, 11848959, 15605946, 23697918, 35546877, 71093754, 106640631, 213281262, 319921893, 639843786]

約数ペア:

[(1, 639843786), (2, 319921893), (3, 213281262), (6, 106640631), (9, 71093754), (18, 35546877), (27, 23697918), (41, 15605946), (54, 11848959), (81, 7899306), (82, 7802973), (123, 5201982), (162, 3949653), (163, 3925422), (197, 3247938), (243, 2633102), (246, 2600991), (326, 1962711), (369, 1733994), (394, 1623969), (486, 1316551), (489, 1308474), (591, 1082646), (738, 866997), (978, 654237), (1107, 577998), (1182, 541323), (1467, 436158), (1773, 360882), (2214, 288999), (2934, 218079), (3321, 192666), (3546, 180441), (4401, 145386), (5319, 120294), (6642, 96333), (6683, 95742), (8077, 79218), (8802, 72693), (9963, 64222), (10638, 60147), (13203, 48462), (13366, 47871), (15957, 40098), (16154, 39609), (19926, 32111), (20049, 31914), (24231, 26406)]