98991425

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1$

素因数の和:123

約数の個数: 96

約数和(自身を含む): 157489920

約数和(自身を除く): 58498495

約数列:

[1, 5, 13, 17, 19, 23, 25, 41, 65, 85, 95, 115, 205, 221, 247, 299, 323, 325, 391, 425, 437, 475, 533, 575, 697, 779, 943, 1025, 1105, 1235, 1495, 1615, 1955, 2185, 2665, 3485, 3895, 4199, 4715, 5083, 5525, 5681, 6175, 7429, 7475, 8075, 9061, 9775, 10127, 10925, 12259, 13243, 13325, 16031, 17425, 17917, 19475, 20995, 23575, 25415, 28405, 37145, 45305, 50635, 61295, 66215, 80155, 89585, 96577, 104975, 127075, 142025, 172159, 185725, 208403, 226525, 232921, 253175, 304589, 306475, 331075, 400775, 447925, 482885, 860795, 1042015, 1164605, 1522945, 2414425, 3959657, 4303975, 5210075, 5823025, 7614725, 19798285, 98991425]

約数ペア:

[(1, 98991425), (5, 19798285), (13, 7614725), (17, 5823025), (19, 5210075), (23, 4303975), (25, 3959657), (41, 2414425), (65, 1522945), (85, 1164605), (95, 1042015), (115, 860795), (205, 482885), (221, 447925), (247, 400775), (299, 331075), (323, 306475), (325, 304589), (391, 253175), (425, 232921), (437, 226525), (475, 208403), (533, 185725), (575, 172159), (697, 142025), (779, 127075), (943, 104975), (1025, 96577), (1105, 89585), (1235, 80155), (1495, 66215), (1615, 61295), (1955, 50635), (2185, 45305), (2665, 37145), (3485, 28405), (3895, 25415), (4199, 23575), (4715, 20995), (5083, 19475), (5525, 17917), (5681, 17425), (6175, 16031), (7429, 13325), (7475, 13243), (8075, 12259), (9061, 10925), (9775, 10127)]