203421218

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1$

素因数の和:232

約数の個数: 128

約数和(自身を含む): 447068160

約数和(自身を除く): 243646942

約数列:

[1, 2, 7, 11, 13, 14, 17, 22, 26, 34, 43, 77, 86, 91, 119, 139, 143, 154, 182, 187, 221, 238, 278, 286, 301, 374, 442, 473, 559, 602, 731, 946, 973, 1001, 1118, 1309, 1462, 1529, 1547, 1807, 1946, 2002, 2363, 2431, 2618, 3058, 3094, 3311, 3614, 3913, 4726, 4862, 5117, 5977, 6149, 6622, 7826, 8041, 9503, 10234, 10703, 11954, 12298, 12649, 16082, 16541, 17017, 19006, 19877, 21406, 25298, 25993, 30719, 33082, 34034, 39754, 41839, 43043, 51986, 56287, 61438, 65747, 66521, 77701, 83678, 86086, 101609, 104533, 112574, 131494, 133042, 139139, 155402, 181951, 203218, 209066, 215033, 278278, 337909, 363902, 430066, 460229, 543907, 675818, 711263, 731731, 854711, 920458, 1087814, 1117699, 1320917, 1422526, 1463462, 1709422, 2235398, 2365363, 2641834, 4730726, 5982977, 7823893, 9246419, 11965954, 14530087, 15647786, 18492838, 29060174, 101710609, 203421218]

約数ペア:

[(1, 203421218), (2, 101710609), (7, 29060174), (11, 18492838), (13, 15647786), (14, 14530087), (17, 11965954), (22, 9246419), (26, 7823893), (34, 5982977), (43, 4730726), (77, 2641834), (86, 2365363), (91, 2235398), (119, 1709422), (139, 1463462), (143, 1422526), (154, 1320917), (182, 1117699), (187, 1087814), (221, 920458), (238, 854711), (278, 731731), (286, 711263), (301, 675818), (374, 543907), (442, 460229), (473, 430066), (559, 363902), (602, 337909), (731, 278278), (946, 215033), (973, 209066), (1001, 203218), (1118, 181951), (1309, 155402), (1462, 139139), (1529, 133042), (1547, 131494), (1807, 112574), (1946, 104533), (2002, 101609), (2363, 86086), (2431, 83678), (2618, 77701), (3058, 66521), (3094, 65747), (3311, 61438), (3614, 56287), (3913, 51986), (4726, 43043), (4862, 41839), (5117, 39754), (5977, 34034), (6149, 33082), (6622, 30719), (7826, 25993), (8041, 25298), (9503, 21406), (10234, 19877), (10703, 19006), (11954, 17017), (12298, 16541), (12649, 16082)]