213856553675

素因数分解:

$5^2\times {\mathrm{17}}^2\times {\mathrm{43}}^1\times {\mathrm{577}}^1\times {\mathrm{1193}}^1$

素因数の和:1857

約数の個数: 72

約数和(自身を含む): 288991394736

約数和(自身を除く): 75134841061

約数列:

[1, 5, 17, 25, 43, 85, 215, 289, 425, 577, 731, 1075, 1193, 1445, 2885, 3655, 5965, 7225, 9809, 12427, 14425, 18275, 20281, 24811, 29825, 49045, 51299, 62135, 101405, 124055, 166753, 245225, 256495, 310675, 344777, 421787, 507025, 620275, 688361, 833765, 872083, 1282475, 1723885, 2108935, 3441805, 4168825, 4360415, 7170379, 8619425, 10544675, 11702137, 14825411, 17209025, 21802075, 29599523, 35851895, 58510685, 74127055, 147997615, 179259475, 198936329, 292553425, 370635275, 503191891, 739988075, 994681645, 2515959455, 4973408225, 8554262147, 12579797275, 42771310735, 213856553675]

約数ペア:

[(1, 213856553675), (5, 42771310735), (17, 12579797275), (25, 8554262147), (43, 4973408225), (85, 2515959455), (215, 994681645), (289, 739988075), (425, 503191891), (577, 370635275), (731, 292553425), (1075, 198936329), (1193, 179259475), (1445, 147997615), (2885, 74127055), (3655, 58510685), (5965, 35851895), (7225, 29599523), (9809, 21802075), (12427, 17209025), (14425, 14825411), (18275, 11702137), (20281, 10544675), (24811, 8619425), (29825, 7170379), (49045, 4360415), (51299, 4168825), (62135, 3441805), (101405, 2108935), (124055, 1723885), (166753, 1282475), (245225, 872083), (256495, 833765), (310675, 688361), (344777, 620275), (421787, 507025)]