221466908

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{83}}^1\times {\mathrm{97}}^1$

素因数の和:243

約数の個数: 72

約数和(自身を含む): 446125008

約数和(自身を除く): 224658100

約数列:

[1, 2, 4, 13, 23, 26, 46, 52, 83, 92, 97, 166, 194, 299, 332, 388, 529, 598, 1058, 1079, 1196, 1261, 1909, 2116, 2158, 2231, 2522, 3818, 4316, 4462, 5044, 6877, 7636, 8051, 8924, 13754, 16102, 24817, 27508, 29003, 32204, 43907, 49634, 51313, 58006, 87814, 99268, 102626, 104663, 116012, 175628, 185173, 205252, 209326, 370346, 418652, 570791, 667069, 740692, 1141582, 1334138, 2283164, 2407249, 2668276, 4258979, 4814498, 8517958, 9628996, 17035916, 55366727, 110733454, 221466908]

約数ペア:

[(1, 221466908), (2, 110733454), (4, 55366727), (13, 17035916), (23, 9628996), (26, 8517958), (46, 4814498), (52, 4258979), (83, 2668276), (92, 2407249), (97, 2283164), (166, 1334138), (194, 1141582), (299, 740692), (332, 667069), (388, 570791), (529, 418652), (598, 370346), (1058, 209326), (1079, 205252), (1196, 185173), (1261, 175628), (1909, 116012), (2116, 104663), (2158, 102626), (2231, 99268), (2522, 87814), (3818, 58006), (4316, 51313), (4462, 49634), (5044, 43907), (6877, 32204), (7636, 29003), (8051, 27508), (8924, 24817), (13754, 16102)]