216436948

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{863}}^1$

素因数の和:953

約数の個数: 72

約数和(自身を含む): 478130688

約数和(自身を除く): 261693740

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 53, 91, 106, 169, 182, 212, 338, 364, 371, 676, 689, 742, 863, 1183, 1378, 1484, 1726, 2366, 2756, 3452, 4732, 4823, 6041, 8957, 9646, 11219, 12082, 17914, 19292, 22438, 24164, 35828, 44876, 45739, 62699, 78533, 91478, 125398, 145847, 157066, 182956, 250796, 291694, 314132, 320173, 583388, 594607, 640346, 1020929, 1189214, 1280692, 2041858, 2378428, 4083716, 4162249, 7729891, 8324498, 15459782, 16648996, 30919564, 54109237, 108218474, 216436948]

約数ペア:

[(1, 216436948), (2, 108218474), (4, 54109237), (7, 30919564), (13, 16648996), (14, 15459782), (26, 8324498), (28, 7729891), (52, 4162249), (53, 4083716), (91, 2378428), (106, 2041858), (169, 1280692), (182, 1189214), (212, 1020929), (338, 640346), (364, 594607), (371, 583388), (676, 320173), (689, 314132), (742, 291694), (863, 250796), (1183, 182956), (1378, 157066), (1484, 145847), (1726, 125398), (2366, 91478), (2756, 78533), (3452, 62699), (4732, 45739), (4823, 44876), (6041, 35828), (8957, 24164), (9646, 22438), (11219, 19292), (12082, 17914)]