28429555

素因数分解:

$5^1\times 7^3\times {\mathrm{11}}^2\times {\mathrm{137}}^1$

素因数の和:185

約数の個数: 48

約数和(自身を含む): 44049600

約数和(自身を除く): 15620045

約数列:

[1, 5, 7, 11, 35, 49, 55, 77, 121, 137, 245, 343, 385, 539, 605, 685, 847, 959, 1507, 1715, 2695, 3773, 4235, 4795, 5929, 6713, 7535, 10549, 16577, 18865, 29645, 33565, 41503, 46991, 52745, 73843, 82885, 116039, 207515, 234955, 369215, 516901, 580195, 812273, 2584505, 4061365, 5685911, 28429555]

約数ペア:

[(1, 28429555), (5, 5685911), (7, 4061365), (11, 2584505), (35, 812273), (49, 580195), (55, 516901), (77, 369215), (121, 234955), (137, 207515), (245, 116039), (343, 82885), (385, 73843), (539, 52745), (605, 46991), (685, 41503), (847, 33565), (959, 29645), (1507, 18865), (1715, 16577), (2695, 10549), (3773, 7535), (4235, 6713), (4795, 5929)]