128428132

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^2\times {\mathrm{59}}^1\times {\mathrm{269}}^1$

素因数の和:373

約数の個数: 72

約数和(自身を含む): 278510400

約数和(自身を除く): 150082268

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 59, 68, 118, 119, 236, 238, 269, 289, 413, 476, 538, 578, 826, 1003, 1076, 1156, 1652, 1883, 2006, 2023, 3766, 4012, 4046, 4573, 7021, 7532, 8092, 9146, 14042, 15871, 17051, 18292, 28084, 31742, 32011, 34102, 63484, 64022, 68204, 77741, 111097, 119357, 128044, 155482, 222194, 238714, 269807, 310964, 444388, 477428, 539614, 544187, 1079228, 1088374, 1888649, 2176748, 3777298, 4586719, 7554596, 9173438, 18346876, 32107033, 64214066, 128428132]

約数ペア:

[(1, 128428132), (2, 64214066), (4, 32107033), (7, 18346876), (14, 9173438), (17, 7554596), (28, 4586719), (34, 3777298), (59, 2176748), (68, 1888649), (118, 1088374), (119, 1079228), (236, 544187), (238, 539614), (269, 477428), (289, 444388), (413, 310964), (476, 269807), (538, 238714), (578, 222194), (826, 155482), (1003, 128044), (1076, 119357), (1156, 111097), (1652, 77741), (1883, 68204), (2006, 64022), (2023, 63484), (3766, 34102), (4012, 32011), (4046, 31742), (4573, 28084), (7021, 18292), (7532, 17051), (8092, 15871), (9146, 14042)]