28001896

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{383}}^1$

素因数の和:458

約数の個数: 64

約数和(自身を含む): 61286400

約数和(自身を除く): 33284504

約数列:

[1, 2, 4, 8, 13, 19, 26, 37, 38, 52, 74, 76, 104, 148, 152, 247, 296, 383, 481, 494, 703, 766, 962, 988, 1406, 1532, 1924, 1976, 2812, 3064, 3848, 4979, 5624, 7277, 9139, 9958, 14171, 14554, 18278, 19916, 28342, 29108, 36556, 39832, 56684, 58216, 73112, 94601, 113368, 184223, 189202, 269249, 368446, 378404, 538498, 736892, 756808, 1076996, 1473784, 2153992, 3500237, 7000474, 14000948, 28001896]

約数ペア:

[(1, 28001896), (2, 14000948), (4, 7000474), (8, 3500237), (13, 2153992), (19, 1473784), (26, 1076996), (37, 756808), (38, 736892), (52, 538498), (74, 378404), (76, 368446), (104, 269249), (148, 189202), (152, 184223), (247, 113368), (296, 94601), (383, 73112), (481, 58216), (494, 56684), (703, 39832), (766, 36556), (962, 29108), (988, 28342), (1406, 19916), (1532, 18278), (1924, 14554), (1976, 14171), (2812, 9958), (3064, 9139), (3848, 7277), (4979, 5624)]